Correspondence with and about members of the Marconi family, including

• draft letters from Guglielmo Marconi to his parents about the formation of the Wireless Telegraph and Signal Company, 1897
• letter from Guglielmo Marconi's father, Giuseppe Marconi, to Jose Ferro [not sent?], 1904
• letter from Cuthbert Hall to Guglielmo Marconi about Giuseppe's death, 1904
• letters from Guglielmo Marconi's mother, Annie Marconi to Mr. Kershaw [Marconi's secretary], 1904-6
• letters from Annie Marconi to her son Guglielmo, 1911
• telegram and letter (with enclosed photographs) from Beatrice Marconi to her husband Guglielmo, 1907, 1911
• letters from Guglielmo Marconi to Maria Cristina Bezzi-Scali, later his second wife, 1923-6
• letters from Degna Marconi to her father Guglielmo, 1925-9, n.d.
• letters from Gioia Marconi to her father Guglielmo, 1925, n.d.
• letters from Alfonso Marconi to his brother Guglielmo, 1900, 1902, 1904
• letter from Alfonso Marconi to H. Kershaw, 1908
• letter from Alfonso Marconi to H.W. Allen about his directorships, 1917
• letter from Lady Inchiquin to her son-in-law Guglielmo Marconi, 1908
• letters from Lord Inchiquin to his son-in-law Guglielmo Marconi, 1914-17

Includes

• letters from A Slaby, with a signed photograph, 1898-9
• letters from Reginald Fessenden, one with draft reply, inviting Marconi to give a lecture at the Academy of Science of Pittsburgh, 1899
• letters from Josephine Holman, to whom Marconi was briefly engaged, 1900-1, n.d.
• letter from John Henniker Heaton about a meeting between Austen Chamberlain and the fishermen of Great Britain, 1901
• letters from and about Righi and Dessau, 1903-11
• letters from Bernard and Agnes Baden-Powell, 1904, n.d.
• draft letters to Mr. and Mrs. Clover, the parents of a godchild, 1911
• letters from Ettore Bellini, 1912, 1926
• letter from Beerbohm Tree about seats for Pygmalion at His Majesty's Theatre, 1914
• draft letter from Marconi to Winston Churchill expressing appreciation (on behalf of Italians) of Churchill's remarks on Italy, and commenting on the international situation, c.1915-16
• letters from Sir Arthur Conan Doyle, 1921, n.d.
• personal correspondence with G.A. Mathieu, who worked with Marconi on microwave experiments in Italy, 1923, 1933
• personal correspondence with Godfrey Isaacs and his widow Léa Isaacs, 1924-5
• letter from 'Tuff', 1925
• letter from J.A. Fleming introducing the sculptor A.B. Sava, 1926
• letters from individuals suggesting eccentric or unusual uses or effects of electromagnetic waves, 1934-5
• draft passages of a letter to an unidentified lover, n.d. [early 20th cent.]

Includes papers relating to scientific and business matters.

Comprises

• Italian passport, 1896
• Naval discharge papers, 1901
• Italian wartime passport, with letter from the Ministero della Marina about passports, 1915, 1917
• papers about wartime service, 1914-c.1920
• draft entry for 'Who's Who in Sport', 1914

Includes

• Anonymous typescript memorandum discussing conditions under which Italy might enter the war on the side of the Allies, c.1915
• speeches in support of Italy, c.1915-c.1920
• Papers relating to Marconi's service as Italian Delegate Plenipotentiary to the Peace Conference, 1919-20
• Papers relating to Marconi's membership of the Fascist Party, 1923-36

Includes

• memorial cards for Giuseppe Marconi, 1904
• will and probate documents of Giuseppe Marconi, 1904-6
• settlement made on Guglielmo Marconi's marriage to Beatrice, 1905
• draft wills of Guglielmo Marconi, 1906, 1917 and n.d.
• correspondence and papers concerning the death of Marconi's new-born first child, Lucia, 1906
• photographs of the funeral of Annie Marconi, 1920
• documents relating to the divorce of Marconi and his first wife, Beatrice, the annulment of their marriage, and Beatrice's remarriage to the Marchese di Montecorona, 1922-4
• correspondence and papers concerning the death of Alfonso Marconi, 1936
• papers concerning taxes, 1934
• papers concerning Marconi's legal relationship with Marconi's Wireless Telegraph Company, 1909-27
• miscellaneous financial papers, 1905-34

Includes

• correspondence, accounts and legal papers relating to Villa Griffone (the Marconi family residence near Bologna), including some more general correspondence with legal advisers on financial and personal matters, 1910-22
• photographs of Villa Griffone, c.1900
• correspondence, furnishing accounts and other papers relating to Eaglehurst, Fawley, Southampton (Marconi's residence 1911-16), including letters from Kemp reporting on practical work undertaken and a Post Office Licence to use wireless telegraphy for experimental purposes at the property, 1912-22

Includes photographs, plans, correspondence, papers about work to the yacht, papers about its possible sale, and particulars (including plans and photographs) of other yachts available for purchase.

Comprises procès-verbal volume covering Aug.-Oct. [1926?] and May-Sept. 1927, with loose procès-verbal sheets (the first headed ' "Chelmsford" ', possibly not for the Elettra) found enclosed in the volume, covering June 1928.

Includes

• driving licences, 1910, 1911
• bills and cheques, 1901-6
• cuttings about Marconi's serious motor accident, 1912

Includes

• lists of honours and awards
• papers concerning conferment of an honorary Knighthood Grand Cross of the Royal Victorian Order, 1912-14
• correspondence with Oliver Lodge about possible election to the Royal Society, 1925

Includes Italian Royal correspondence [mainly from court officials] about audiences and appointments, including Beatrice Marconi's appointment as a lady-in-waiting to the Queen, c.1899-1916

Includes

• letters of apology from Thomas Edison and Calvin Coolidge for a dinner held in honour of Marconi by the Radio Corporation of America, 1922
• letters of congratulation from Thomas Edison and Calvin Coolidge on the award of the John Fritz Medal to Marconi, 1922

Includes

• letter from J.A. Fleming about the possibility of nominating Marconi for the Nobel Prize, 1901
• presentation copy of 'La Telegrafia sin Hilos explicada por su descubridor Guillermo Marconi', in illuminated vellum cover, 1904
• correspondence and papers relating to the award of the Nobel Prize for Physics, 1909
• correspondence with Thor Thörnblad, especially with regard to seeking the Nobel Prize for Marconi, 1908-12
• illuminated address to Marconi signed by various dignitaries at Cadiz, 1924

For British, Italian, American, Spanish and Swedish honours and awards.

For American and Belgian honours and awards.

Comprises

• illuminated poem by F. Cardarelli, to mark the marriage of Marconi to Beatrice O'Brien, 1905
• 'L'eroe magico', manuscript prose work by Gabriele d'Annunzio in honour of Marconi, 1915
• letter from Gabriele d'Annunzio to Marconi, on headed paper of Reggenza Italiana del Carnaro, 1920
• published copy of La Reggenza Italiana del Carnaro: Disegno di un nuovo ordinamento dello stato libero di Fiume, with personal inscription to Marconi from Gabriele d'Annunzio, 1920
• manuscript and printed Italian poetry written in honour of Marconi, 1903-22
• musical scores for 'Marconi March' and 'Detector Marcia', composed in honour of Marconi for special occasions, 1902-3

Comprises

• menu for celebratory dinner in connection with patent 7777/1900, with signatures of attendees next to their photographs on the menu, with related letter, 1911
• invitations and dinner menus, 1903-34
• 'Album Marconi': commemorative booklet celebrating Marconi and the development of wireless telegraphy, 1904
• letters from Lisbetta Beck imploring Marconi to sign and return a fan-leaf already signed by Thomas Edison; with the fan-leaf enclosed in card and envelope addressed for its return [which Marconi never did], 1912
• flyer for unveiling by Marconi of tablet marking the residence of Sir Humphry Davy in Clifton, 1905
• papers and congratulatory telegrams to Marconi in Bologna on the 30th anniversary of wireless telegraphy, mostly in Italian, including notes by Marconi for speech[es]; also contains draft of address by Marconi to an extraordinary general meeting of the company, 1926
• press cutting of humorous verse relating to Marconi's engagement to Josephine Holman, c.1901
• visiting card of Alfonso Marconi, with an address in Bournemouth on verso, n.d.
• visiting cards of Guglielmo Marconi, n.d.
• blank headed writing paper for various addresses, n.d.

With explanatory notes on verso and on separate sheet.

Comprises

• menus for Savage Club House Dinner, one signed by Marconi and the other by Henniker Heaton, 1903
• certificate of membership of the Junior Institute of Engineers for W.N. Howitt, signed by Marconi as President, 1912
• photographs of 'Men of Mark' by Alvin Langdon Coburn, sent to Marconi by the photographer with a letter seeking a sitting for a second volume, 1913
• Marconi's certificate of membership of Mount Vernon Yacht and Country Club, 1927

With von Arco's card enclosed.

Includes

• bibliographies of Marconi
• typescript copy of lecture by Mr. Gavey referring to Marconi's work, c.1897
• Manuscript and typescript drafts of paper possibly by Marconi, c.1897

Comprises

• typescript draft of chapters [by Marconi?] on his work to 1899, c.1899
• typescript draft account of experiments in wireless telegraphy in 1899 [and before?], mostly by Marconi but including some extracts or sections by others [including Slaby?], c. 1899

Includes

• a few pages of an unidentified typescript draft, c.1903
• typescript draft on 'Wireless Telegraphy' for unidentified occasion, c.1906
• typescript draft for unidentified occasion, c.1906
• copy of annual report of the company for 1907 containing copies of lectures given by Marconi, 1908
• partial draft and copies of Nobel Prize lecture, 1909

Includes

• typescript copy of discussion notes on unidentified paper, c.1911
• manuscript and typed drafts of speech for meeting of 2nd Congress of Italians Abroad, with typed draft of a further unidentified speech, both in Italian, n.d.

Includes

• typescript draft on 'Wireless Wonders of Tomorrow' for unidentified occasion
• typescript draft of vote of thanks for lecture by Fleming on 'The Coming of Age of Radiotelegraphy'
• a few other short drafts for unidentified occasions

Originally prepared for a court case.

Written as if by Marconi, but really [according to a note attached] by Marconi's secretary, Leon de Souza.

Brass plate on front inscribed 'G Marconi' and dedication from his mother inside; contains photograph of Marconi and of the King, Queen, Crown Prince and Princess of Italy, otherwise empty.

Comprises

• portrait photographs of Marconi
• photographs of Marconi in uniform
• photographs of Marconi with his second wife, Maria Cristina Bezzi-Scali, and of Cristina alone

Miscellaneous photos including special occasions, groups, informal snapshots, and a portrait photograph possibly of Alfonso Marconi.

Large photographs of Marconi, groups, etc.

Framed portrait photographs.

Two sets, one with manuscript captions, the other with typescript captions; with a note requesting the preparation of the photos for the diaries, and a separate caption for one photograph; these photographs appear not to have been included in the final version of the extracts.

Laboratory notebook dated 1897 and diary for 1895, used for research notes dated 1897.

Includes a few diary entries.

Comprises

• Royal Navy Service Certificate, 1895
• Pass to all Marconi stations, 1903
• letter from Beatrice Marconi asking Kemp to look after Guglielmo, as she is worried about his health, n.d.
• telegram from Guglielmo Marconi announcing the birth of a daughter [Degna], 1908
• telegram from 'Marconi, Bologna' requesting news of the 'real condition' of Marconi, n.d.
• telegrams of condolence to Kemp's family from Marconi and the company, on Kemp's death, with other papers concerning his funeral and gravestone, 1933
• miscellaneous press cuttings and printed papers, 1901-31

A faded photograph of Kemp and an unidentified man is on the front cover.

Includes photographs of stations and equipment; Kemp; Marconi; staff and staff groups (one an early group including Marconi and Kemp); and a photograph of Benghazi inscribed to Kemp by Marconi, 1911.

Include images of stations and equipment and of Marconi.

Comprises

• letters from Preece to Marconi (and one from P. Tremain, another official at the General Post Office), discussing experimental work, 1896-8
• copies and transcripts of letters from Marconi to Preece, 1896-8
• draft speech of thanks to Preece and other GPO officials, c.1896

• correspondence from Captain Henry B. Jackson to Marconi, discussing arrangements for the Salisbury Plain experiments and referring to other experiments, 1896-8
• telegram from Preece placing Kemp and Royal Engineers at Marconi's service for the experiments, 1897
• letter from Sophia W. Henley about the use of her bungalow for accommodation by Marconi and Kemp, 1897
• letter from Bernard Baden-Powell about the return of apparatus lent for the experiments, 1897
• manuscript copy of report by H.R. Kempe of the GPO on the experiments in September 1896, with covering letter from the GPO, 1909
• photocopies of two reports by Kempe on the same (one a further copy of the above), with related letter from Preece to Lamb, 1896

Comprises

• map showing area of the Gulf of Spezia where the experiments took place, with places of transmission and reception of signals marked [dated 30 Sept. 1897 but the principal experiments took place in July], 1897
• receipt signed by Marconi for 3000 lire from the Italian Navy, 1897
• news extract and cutting about the experiments at La Spezia and later work in Italy, 1897, 1901

The book was originally used as an exercise book for school compositions, and the tapes have been pasted over the top. Inside the front cover is a sheet of notes in Marconi's hand on the experiments, and inside the back cover is a note by Kemp of a code to indicate the quality of signals received.

Tapes pasted onto large sheets, certified by Marconi (for Needles to Madeira House signals) and Kemp (for Madeira House to Needles signals).

Comprises

• Letter from Kemp at the Royal Needles Hotel to Marconi at Madeira House, discussing their experimental work, May 1898
• Print of postcard of Bournemouth, with aerial at Madeira House drawn in by Kemp, c.1898
• Notes of transmitting and receiving equipment used at the Haven Hotel, Poole and Niton Station, Isle of Wight, with further notes on jiggers (nos. 224 and 198), c.1898

Comprises

• note, in Lord Kelvin’s hand, of the ‘ether’ or wireless message he sent in June 1898 [the first ever paid wireless telegram] from the Royal Needles Hotel for the information of James Blyth, a colleague in Glasgow, with a further note (on a Post Office Telegraphs form) instructing that the same message be sent to Lord Rayleigh at Downing Street and Preece at the GPO, 1898
• draft letter from Marconi to Lord Kelvin, thanking him for proposing Marconi for membership of the Institution of Electrical Engineers, and advising of the removal of the Bournemouth Station, 1898
• note (on Post Office Telegraphs form) of message from Lord Tennyson to Tennyson, Eton College, sent 'by Marconi's aether telegraph Alum Bay to Bournemouth paid commercially thence by wire', 1898
• record of signals to and from the Alum Bay Station, including Kelvin's and Tennyson's, Apr.-May 1898
• news cuttings about experiments on the Isle of Wight and South Coast, 1898

Copies of the messages sent, made in pencil presumably at the time of transmission. Each message is on a separate sheet of plain paper.

Comprises

• two copies of the Dublin Daily Express for 21 July
• cutting of the Regatta article alone in the Dublin Daily Express for 21 July, annotated as an exhibit for a court case in the US
• copy of the Dublin Daily Express for 22 July
• cutting from the Electrical Review for 22 July

Comprises

• Wireless Telegraphy and Journalism: commemorative booklet published by the Dublin Daily Express,
• La Telegrafia Marconi e Il Giornalismo: commemorative booklet published in Bologna (largely a translation of the Daily Express booklet)

Comprises

• messages written in pencil on Naval Telegraphs and Signals message forms
• draft letter from Marconi to Major Carr, reporting on the results obtained
• cutting from the Electrical Review reporting on the installation

Contains

• list of visitors to the station, March-April 1899
• transcripts of messages about arrangements for the exchange of messages between the British Association for the Advancement of Science and the Association Français pour l'Avancement des Sciences, Sept. 1899
• [at back] transcripts of formal messages sent to Association Français pour l'Avancement des Sciences and to the Electrical Congress in Como, Sept. 1899
• [at back] notes on experiments [at the Needles?], June [1899?]

Comprises

• letters from J.A. Fleming to Jameson Davis [typescript copy] and Marconi [original], about experiments in Dover, including arrangements for the demonstration to the British Association meeting there, Aug. 1899
• letter of congratulations from Agnes Baden-Powell to Marconi on his success in bridging the Channel, 1899
• copy letter from Arthur Leslie requesting the transmission across the English Channel of a message on behalf of various U.S. newspapers, 1899
• news cuttings and extracts about the cross-channel messages, 1899

Comprises

• Annual Report of the Chief Signal Officer to the U.S. Secretary of War, including references to wireless telegraphy and experimental work under Marconi's supervision, 1899
• telegram from Signal Officer Wildman conveying congratulations from Captain Squier on the previous day's work, 1899
• telegram from Thomas Lipton about possible meeting with Marconi, 1899
• note of message sent when establishing wireless communication from SS. Ponce to shore during Naval Parade in New York Harbor, with news cutting and extract reporting the event, 1899
• letter from H. Cuthbert Hall to Marconi, reporting on difficulties encountered in reporting the 1901 Americas Cup Yacht Race owing to interference from rival companies, 1901
• letter from W.W. Bradfield reporting further on the coverage of the same race, with a chart showing the positions of Marconi and other stations, 1901
• letter from H. Cuthbert Hall enclosing cuttings about the Americas Cup Yacht Race, 1902-3

Includes

• correspondence about finding a site at Cape Race and obtaining masts for Cape Race and St. John's, Oct.-Nov. 1901
• correspondence and papers about obtaining balloons and hydrogen to fill them, and shipping these to Newfoundland, including sample of material for the balloons, Nov. 1901
• letter from Flood-Page advising Marconi of a letter of introduction to Sir Cavendish Boyle, Governor of Newfoundland, Nov. 1901
• correspondence discussing arrangements for Marconi, Kemp and Paget's travel to Newfoundland, Nov. 1901
• list, in Marconi's hand, of necessary apparatus for the receiving station, [Nov.] 1901

Comprises

• draft letter from Marconi ('Markie') to 'Jumbo', giving his impressions of Newfoundland in light-hearted mood, and referring to experimental work; with (on the last page) a draft telegram to the company about not showing the system to the German Navy unless on a firm business proposal
• correspondence with E.P. Morris about dining
• draft letter to Mr. Holloway thanking him for a photograph of the site of the experiments
• congratulatory telegram form the Canadian Minister of Finance on behalf of the Government
• correspondence with Sir Robert Bond, Governor of Newfoundland, including congratulations and invitations to dine
• letters from H.G. Burchill, Newfoundland Government Engineer, offering hospitality
• congratulatory telegram from Flood-Page
• congratulatory telegram from Alexander Graham Bell, also offering Marconi the use of his estate in Cape Breton for experimental work, with a draft telegram from Marconi to Graham Bell, in response to this or a later message
• letter of congratulations from the Borough of Helston

Includes a résumé of the experimental work leading up to receipt of signals; possible explanations for the failure to receive signals on the ordinary receiver; copies of correspondence about infringement of the Anglo American Telegraph Company's rights.

The ‘three dots’ signal is depicted crossing the ocean between British and American flags, and the menu is signed by noted scientists Alexander Graham Bell, Elihu Thomson and Michael Pupin.

Mounted photographs of

• raising the kite at Signal Hill
• Cabot Tower with those involved in the experiment standing in front

Negatives of

• Cabot Tower with those involved in the experiment standing in front
• drawing of raising the kite at Signal Hill

Comprises

• correspondence and papers about arrangements for sending first transatlantic wireless messages, 1902
• draft letter from Marconi to Lord Minto, Governor-General of Canada, about sending a wireless message from Minto to King Edward VII to mark the occasion, 1902
• messages about permission to publish the message to the King, 1902
• drafts, in Marconi's hand, of greetings messages to be sent by transatlantic wireless, 1902
• cable messages sent to and from Glace Bay, including messages of congratulation and on company business, 1902-3

Most unidentified but one marked 'Dovercourt May 17 1900', another 'La Panne'.

Comprises

• letter from the Italian Ambassador, General Annibale Ferrero, about Marconi's work, 1896
• draft letter from Marconi to Ingeniere Malfati, ordering a coherer and relay, 1897
• letters from Captain Kennedy discussing experimental work, including references to Salisbury Plain experiments and Marconi's demonstration at Channing School, 1897, 1901
• letter from Henry Thompson of the Daily Mail, requesting an interview with Marconi about his system, 1897
• translated extract from Étoile Belge about experiments by Marconi in the presence of the King and other members of the Belgian Royal Family, 1900
• letter from A. Foster, South Western Railway booking clerk at Dorchester, commenting on Marconi's work, 1900
• transcript of lecture by [Henry Hozier of Lloyd's?] about 'aetheric signalling' and wireless telegraphy, with particular reference to experiments conducted by Nevil Maskelyne, c.1901
• correspondence and papers about jamming by Nevil Maskelyne of a demonstration of wireless telegraphy by Fleming at a lecture at the Royal Institution, 1903
• letter from Andrew Gray to George Kemp about results obtained from Broomfield Road, 1905
• press cutting about a paper by Lionel James on the value of De Forest system of wireless telegraphy, with comments by Preece and others, including reference to the Marconi system, 1905
• leaflet about lecture by William Lynd on wireless telegraphy, especially Marconi's system, with news cuttings from Irish newspapers about the lectures and about the use of wireless telegraphy during the Kingstown Regatta, 1898 and n.d.
• leaflet for lectures by Richard Kerr, including one on wireless telegraphy, 1913-14
• poster for lecture by Mr. S.I. Willis on wireless telegraphy, 1902
• advertisement for programme on Wireless Telegraphy given by Inv. Spec. Prof. Ant. Prati, 1912
• correspondence between Marconi and Clive Wigram about a visit by the King and Queen to SY Elettra, with a letter from Marconi to Isaacs reporting on the occasion, 1922

Includes

• proposals for the formation of a company, c.1896-7
• draft prospectuses for the Wireless Telegraph and Signal Company Ltd., 1897
• correspondence between Marconi, H. Jameson Davis, J.C. Graham, William Preece and others, 1897-8

Comprises

• reports and correspondence from stations, July-Aug. 1899
• weekly reports to the Directors by Henry Saunders [Manager?], Aug.-Oct. 1899
• test room reports by C.S. Franklin, 1900
• reports of orders for equipment, mostly from the company's departments and stations, 1900-1
• correspondence from H. Jameson Davis, discussing various aspects of early experimental work, 1896-8
• correspondence of E.A.N. Pochin, Engineer, on various technical matters and about the termination of his contract with the company, 1901-2
• miscellaneous correspondence, predominantly from staff of the company to Marconi, 1899-1908

Comprises

• correspondence with the War Office about a demonstration, 1896
• letter from Elliott Brothers enquiring about purchasing wireless apparatus, 1897
• correspondence and cutting about wireless apparatus installed at Mitcham Lane Fire Station, Streatham, 1900
• correspondence from W.R. Elliott and A.D. Raine reporting on a contract in Chile, 1899, 1901
• report by C.E. Rickard on a patent demonstration and possible contract in Malta, 1900
• papers concerning the promotion of business in the U.S. and setting up the Marconi Wireless Telegraph Company of America, 1899-1901
• drafts of report on negotiations in progress for contracts, 1901
• correspondence and agreements with the Government of Canada, 1901-5
• correspondence and agreements with the Government of Newfoundland, 1903-11
• first receipts for wireless telegrams on the Chelmsford-Amsterdam service, 1904
• report on the Marconi Wireless Telegraph System, particular reference to contracts undertaken to date, 1905
• letter from Bradfield to Round about arrangements from the Engineer to the Chilean Navy, 1908
• papers relating to the provision of wireless equipment for the League of Nations, for a press service and later a broadcasting station, 1919-38

Comprises

• news cutting about the move of the south coast station from Madeira House Hotel to the Haven Hotel, 1898
• letter to Marconi from H.W. Allen about equipment for the Haven, 1898
• letter to Marconi from J. Erskine-Murray about masts for the Haven, 1899
• procès-verbal of messages to/from/overheard at the Haven, including from Portland Naval Yard, the Kaiser Wilhelm der Grosse and other ships, 1901
• Morse tapes of signals received at the Haven Station, 1901
• Haven Hotel bills, 1901-6
• report and correspondence concerning a Thornycroft steam 'bus used for wireless telegraphy (and based at the Haven), with a photograph of the vehicle, 1901
• correspondence between Kemp and Marconi about vacating the Haven Hotel, with list of equipment, 1925

Predominantly letters from Kemp to Marconi and H. Kershaw.

Includes correspondence and papers on

• finding a site for a long-distance station and the selection of Poldhu, 1900-1
• technical matters including equipment for the station and construction of the masts, 1901
• sending the transatlantic signal, 1901
• a visit by Lord Kelvin, 1903
• the visit of the Prince and Princess of Wales, 1903
• other technical and administrative matters, 1902-6

Correspondents include

• Guglielmo Marconi
• S. Flood-Page
• George S. Kemp
• J.A. Fleming
• H. Jameson Davis
• H. Cuthbert Hall
• R.N. Vyvyan

Comprises

• tenders and associated plans for galvanized iron shed, 1906
• plan of arrangement of h.f. primary circuit, 1909
• [plan?] of reflector, 1922
• plans and maps of the site, 1911 and n.d.
• report on the possible sale of the site and buildings, 1934

Includes

• recommendations by J.A. Fleming on selecting the site and equipping the station, 1901
• reports by Marconi on his selection of the Cape Cod site and other aspects of a visit to America, 1901
• proceedings of an ordinary meeting of the Anglo-American Telegraph Company, referring to wireless telegraphy and particularly a press visit to the Cape Cod Station, 1903
• four photographs of the station showing buildings and the original ring of masts, each signed to Mr. G.S. Kemp [from] G. Marconi, c.1901
• photograph of the Marconi towers, 1916

Includes

• agreements with the Canadian Government relating to wireless telegraph services, 1902, 1911, 1915
• list and map of Canadian stations, c.1905
• letters of attorney for Marconi to act for the company in Canada, 1909-10
• correspondence between Marconi and Sir Edward Morris, Prime Minster of Newfoundland, about a proposed wireless telegraph installation at St. John's, Newfoundland, 1911
• plan of the Glace Bay Station Estate, 1911
• correspondence between Marconi and Vyvyan about work at Glace Bay, 1902-3
• draft letter from Marconi to Moberly Bell at The Times about temporary loss of the news service from Glace Bay because of problems with equipment, 1903
• diary by Eileen O'Brien of her visit to Glace Bay with Guglielmo and Beatrice Marconi, 1907
• draft letter from Marconi to Cuthbert Hall about a fire at Glace Bay and a letter of sympathy from Sydney Buxton, the Postmaster General, about the fire, 1909
• regular reports on the working of the Glace Bay Station and on the construction and working of the Louisberg Station, 1912-16
• correspondence between Marconi and Isaacs about liaison with the Canadian company, 1914
• correspondence and reports on interference from the Telefunken station at Nauen, 1914-16
• news cutting on the obsolescence of the Glace Bay and Louisberg stations, 1926
• postcards of the short wave transmitter at the Drummondville Station, Quebec, c.1926?

Includes photographs of

• the station, including the towers under construction, 1902
• Marconi and staff at the station in snow, 1902
• the interior of Poldhu Station, 1901 and the exterior of the Admiralty Station at St. Mary's, Scilly, n.d., mounted on the same board as Glace Bay photographs
• Guglielmo and Beatrice Marconi with Barnaby O'Brien at Glace Bay, with copies of first messages transmitted by wireless telegraphy from England to Canada mounted on same boards; also other photographs of the Marconis, Eileen O'Brien, and places they visited in Canada, 1907
• staff at Glace Bay, with identification key on verso and later copy print with further identification key on card (with some variations from the other), 1908
• interior and exterior views, including a few of staff, 1908-14

Comprises correspondence papers about the identification of sites, construction and operation of the stations at Clifden and Letterfrack, including

• telegram sent by Marconi to the Dublin Evening Mail on the occasion of the opening of the Transatlantic Wireless Service, 1907
• analysis of wireless traffic between Clifden and Glace Bay, 1907-8
• lease of land for the station, 1913
• letters from Kemp about work at Letterfrack, 1911, 1913
• news cuttings about the destruction of the station and Marconigram about activity of national troops and irregulars in the area, 1922

Comprises photographs of

• Clifden Station, including some of staff, 1905
• visit to Clifden by the Viceroy, Lord Aberdeen, with his wife and daughter, 1906
• Clifden Station, including some of staff and one of men observing a total eclipse of the sun, 1911-14
• Letterfrack Station, c.1911-13
• Alcock and Brown on the Clifden Station railway, and of their plane including one after crash-landing, 1919
• Clifden Station during or immediately after the attack upon it, 1922
• unidentified coastal views, n.d.

Comprises

• copies of telegrams and original circular letter about successful communication between the Lizard and St. Catherine's, Isle of Wight, 1901
• letter from Fleming about need for secrecy over Niton-Lizard work, 1901
• correspondence with Hall and Gray about ships (including the Kaiser Wilhelm) signalling to the Lizard and other shore stations, 1901
• list of apparatus sent to the Lizard, 1902
• correspondence from Fleming about experimental simultaneous transmission between more than two stations including the Lizard and Poldhu, 1903
• correspondence relating to wireless telegraphy in the Isles of Scilly, including the Admiralty Station, a proposed vessel-based station, and a temporary service between the Admiralty Station and Poldhu owing to the breaking down of the Post Office cable, 1901-4
• correspondence about a proposed station at Goonhilly, 1904
• draft letter from Marconi to Kemp about his departure for Crookhaven to continue long distance experiments between there and Poldhu, and giving instructions about work required at Poldhu, 1901
• letters from P.J. Woodward reporting on experimental work at Crookhaven, 1901
• correspondence from Hall to Marconi about an agreement to receive and transmit messages from HMS Ophir at Crookhaven, 1901
• correspondence about possible sites for stations at Ennismore and Cashel, 1904-5
• letters and reports from E.A. Pochin about the Dovercourt Station, 1901
• report of experiments between Frinton and Withernsea stations, 1902
• telegrams about arranging accommodation at Frinton for Marconi, 1904
• papers concerning the Broomfield Station, Chelmsford, including reports on experimental work, plans and details of masts, and discussion (especially with the GPO) of a wireless service to Amsterdam, with later discussion of obstructions by the Post Office of early wireless schemes, 1904-5, 1924
• reports and correspondence from the station at Waterloo, Liverpool, 1906
• letter from Kemp at the Waterloo Station, reporting on work there and at the Seaforth Barracks Station, 1910
• letters from Kemp to Marconi about setting up a station at Fraserburgh, and about a break-in there, 1903, 1906
• papers relating to wireless stations at Coltano and Bari, 1902-5
• papers concerning the provision of wireless stations and services in Russia, 1901-22
• correspondence concerning shares in the Societé Russe de Telegraphes et de Telephones sans Fil, 1925-9
• correspondence about a concession for the establishment of a wireless station in the Bermudas, for which Fessenden was said to have applied, 1904

Includes

• correspondence from H.J. Round about experimental work at Towyn, 1913
• papers concerning a banquet to mark completion of the transatlantic station at Carnarvon, including a draft of Marconi's speech, 1914
• letters to Marconi about the sale of Sir William Preece's house at Carnarvon, 1914
• correspondence and reports on tests, 1914-17
• booklets on the Carnarvon High-Power Wireless Station and the transatlantic receiving station at Towyn, c.1923
• typescripts of articles on the stations, 1921-3
• wiring diagram of 'GLC' circuit for Carnarvon, 1930

Comprises

• descriptive leaflets about the service, its control centre at Radio House in London, the receiving centre at Brentwood and transmitting centre at Ongar, c.1920
• souvenir brochures for the service, c.1920
• documents relating to a visit to the stations and Radio House by the Industrial Group of the House of Commons, including souvenir, draft speech by Marconi and a printed address by Godfrey Isaacs, 1923
• souvenir programmes for visits to Ongar and Brentwood by the International Broadcasting Union and the Institution of Electrical Engineers, 1934-5

Most mounted on boards, with some images of equipment on the same boards; includes photographs of stations and establishments at

• Haven Hotel, Poole
• Niton/St. Catherine's, Isle of Wight
• Ladywood Cottage, Osborne and the Royal Yacht Osborne, Isle of Wight, 1898
• Dover Town Hall
• North Foreland
• Bar Lightship
• Mitcham Lane Fire Station, Streatham
• The Lizard
• Poldhu
• Frinton-on-Sea (Training School)
• Waterloo, near Liverpool (Training School)
• Mill Hill School, London
• Broomfield
• Holyhead
• Leafield, 1914
• Devizes, 1914
• Alderney, Channel Islands
• Ballybunion, Ireland
• Crookhaven, Ireland
• Rosslare, Ireland
• Wimereux, near Boulogne, France
• Antibes, France
• Caloi, Corsica
• La Panne, Belgium
• Bari, Italy
• Coltano, Italy
• Messina, Italy
• Villa San Giovanni, Italy
• Berne, Switzerland
• Hawaii
• Ambrizette, Angola
• Banana, Congo Free State
• Cape Breton, Canada
• Cape Cod, USA
• Long Beach Hotel (for International Yacht Races), 1901.

Includes photographs of

• inauguration of Lima Broadcasting Station, Peru, 1925
• inauguration of Radio Rosario, 1938
• 'El Progresso' Station near Lima, c.1927
• Yurimaguas and Hablanaves Stations, Peru, c.1925
• Puntas Arenas Station, Chile, c.1930

Includes photographs of associated stations at Ballybunion, Ireland and Horsea Island, Portsmouth. These stations were not run by Marconi.

Includes

• reprint of article on the new Marconi Works at Dalston, London, 1906
• valuation and report on the Dalston Works, 1908
• brochure on the new Marconi Works in New Street, Chelmsford, 1912
• miscellaneous papers relating to the New Street Works, 1925-52

Includes photographs showing the works in production and of staff groups.

Articles, brochures and other papers.

Comprises

• correspondence about the training school at Frinton-on-Sea, 1901-2
• brochure for the Operating Department Telegraph School in Radio House, Wilson Street, London, 1923
• brochures for the Marconi School of Wireless [Chelmsford College], c.1920-c.1930

Articles, brochures and other papers.

Includes

• correspondence between Marconi and Austen Chamberlain, Postmaster General, about the question of the relations that should exist between the company and the Government, 1903
• drafts and copies of letters from Marconi to the Italian Minister of Marine, concerning the 1903 Berlin Conference on Radiotelegraphy, 1903-4
• letters from Cuthbert Hall to the Prime Minister, A.J. Balfour, concerning the value of wireless telegraphy for Imperial defence, 1905

Includes

• papers relating to the 1906 Berlin Conference on Wireless Telegraphy, 1906
• letter from the Postmaster General, Sydney Buxton to Marconi, commenting on the improvements and development of wireless telegraphy for international purposes, 1908
• letter from Sydney Buxton to J. Henniker Heaton, cautioning against the use of wireless for confidential messages, 1908

Includes handbooks for wireless telegraph operators working installations licensed by the Postmaster General, 1908-9.

Comprises

• Procès-verbaux and Protocole Final of the Preliminary Conference at Berlin on Wireless Telegraphy, 1903
• Report of the Select Committee on the 1906 Radiotelegraphic Convention, 1907
• International Telegraph Convention of St. Petersburg and the International Telegraph Service Regulations: Lisbon Revision, 1908
• International Telegraph Convention of St. Petersburg and Service Regulations: Paris Revision, 1925

Comprises

• International Radiotelegraph Convention of Washington, 1927
• Final Acts of the International Telecommunications and Radio Conferences at Atlantic City, with extracts and documents, 1947

Includes

• correspondence about negotiations with Australian and New Zealand Governments
• papers of Captain Walker, the company's representative in Australia and New Zealand
• papers concerning the first wireless demonstration between Queenscliff, Victoria and Devonport, Tasmania, 1906
• plans of the Marconi station at Port Lonsdale

Comprises

• applications for employment in Australia and New Zealand, 1905-6
• list of news articles in Australian papers, 1905
• new cuttings from Australian papers, 1907
• souvenir poster of the first direct wireless messages from England to Australia, 1918
• Amalgamated Wireless (Australasia) Ltd. proposal to establish a direct wireless service between Australia and England, and related papers, 1920-2

Includes

• report on a Parliamentary debate on Imperial telegraphic communication, 1900
• press cuttings about transatlantic wireless communication, 1902-4
• map showing Marconi transatlantic stations and ship and shore stations, organised as a wireless exchange for carrying on a commercial service, 1907
• petition of right by the Marconi companies regarding the provision of wireless services in Canada, 1907
• correspondence about the inauguration of the service, including telegrams of congratulation from Lord Kelvin, Earl Grey, Alfonso Marconi, Luigi Solari, J.A. Fleming, Sydney Buxton and the Royal Institution, and communications from newspapers about sending messages via the service, Oct. 1907
• report on the opening and running of the service, 1907
• booklet advertising the transatlantic wireless telegraph service, c.1907

Comprises

• notes on the design of high power wireless stations for the Scheme, c.1911
• letters from Godfrey Isaacs to Marconi concerning negotiations with the Government about the contract for the Scheme, 1911
• newspaper advertisement taken out by the company promoting the Scheme following the award of the contract, 1912
• technical data for high power wireless stations for the Scheme, 1912
• world maps showing the intended coverage of the Scheme, 1913
• Canadian Parliamentary debates about radiotelegraphic communication between Britain, Canada, Australia and New Zealand, 1913
• photographs of masts and anchor blocks at Abu Sueir, constructed for the Scheme, 1915

Comprises

• Minutes of Proceedings of the Imperial Conference, 1911
• Reports of the Postmaster General, 1911-12 and 1913-14

Comprises

• correspondence from J.A. Fleming, including a memorandum on the scientific evidence before the Committee, 1912-13
• drafts, proofs and copies of Marconi's evidence, including French and Spanish translations, 1912-13

Comprises

• Cartoon in ink and watercolour on silk, relating to the Marconi Enquiry and the Liberal party's involvement, c.1913
• letter of congratulation from Flood-Page to Marconi on the outcome of the Enquiry, 1913
• literature about the Marconi Scandal and alleged frauds, compiled by J.W. Hamilton, 1921-3

Comprises

• correspondence between Guglielmo Marconi and Godfrey Isaacs about experiments being conducted by Marconi in Italy [probably on short wave transmission], 1916
• reports by C.S. Franklin on short wave experiments at Rome and Carnarvon, 1916-18
• correspondence between Guglielmo Marconi, C.S. Franklin and Isaacs about short wave experiments, 1922-3
• messages between Marconi, Franklin, Gray and others about short wave experiments, 1923
• report by Marconi on the results of the long distance receiving tests carried out on board the SY Elettra with 100 metres continuous waves, transmitted by the experimental station at Poldhu, 1923
• souvenir copy of message transmitted between Poldhu and Cape Town using the beam system, 1924

Includes reports on strength of reception of signals between various stations.

Includes

• lecture about the wireless telegraphy and the Dorchester beam station, 1925
• press releases and reports about the Bodmin and Bridgwater beam stations, including detailed descriptions, 1926
• Agreement for electricity supply to Grimsby Station, 1926
• press releases and reports on the Central Radio Office and the beam stations at Dorchester and Somerton, in connection with press visits, 1927
• notes on the Dorchester and Somerton stations, 1930
• souvenir programme for Imperial Conference delegates' visit to Dorchester and Bridgwater stations, 1930
• souvenir programme for Empire Press Conference delegates' visit to Dorchester and Somerton stations, 1930

Comprises papers ( including agreements, press releases, and congratulatory messages) relating to the establishment of beam services to

• South Africa, 1924-7
• Canada, 1926-7
• Australia, 1926-8
• India, 1927-8
• Egypt, 1927-31
• Spain and Portugal, 1930
• general information on beam wireless, lists of stations with dates of opening and operating wavelengths, and maps showing range of services, c.1925-8

Includes

• papers relating to the Imperial Wireless and Cable Conference, 1928
• draft minutes of Marconi's Wireless Telegraph Company Board meetings relating to the formation of the merger company, 1928-9
• annual reports and AGM papers for Cable(s) and Wireless Ltd., 1929-32
• articles, reports and press releases, 1925-31
• news cuttings, 1927-38

Comprises

• drafts of agreement for the setting up of MIMC Co. Ltd. by the Wireless Telegraph and Signal Company, c.1898
• draft licence for use of patents of Marconi's Wireless Telegraph Company, 1900
• notices of share offers, 1900
• statement of expenditure, 1901
• MIMC Co. Ltd. General Orders, 1902
• lists of ship and shore stations controlled by MIMC Co. Ltd., and list of lantern slides of men-of-war, 1902
• list of proposed sailings of ships fitted with Marconi equipment, 1903
• auditor's report relating to ships' traffic including details for ship and shore stations operated as at 30 June 1903, 1904
• correspondence concerning the resignation of Colonel Thys from his directorship of MIMC Co. Ltd., including a summary (in French) of the progress of wireless telegraphy to date and its maritime applications, 1906
• MIMC Co. Ltd. Circular no. 106, listing worldwide shore and ship stations operated by or in connection with the company, 1907
• blank agreement forms for installations and operators on ships, c.1910
• Post Office Licence to establish wireless telegraph ship stations, partly filled out for the Arcadian, c.1910
• blank forms relating to employment of wireless operators including agreement, permission to act as assistant wireless operator on board ship, Post Office certificate of proficiency in radiotelegraphy, conditions of employment for operators, and declaration of secrecy, c.1910
• Marconi telegraph communication charts for the North Atlantic, Sept. 1911, Dec. 1913
• lists of proposed sailings of outward and homeward bound ships fitted with Marconi telegraphs, indicating time up to which telegrams may be accepted, May-July 1913
• list of trawlers fitted with Marconi apparatus, c.1924

Includes

• letter, cutting and Morse tape relating to tests between South Foreland Lighthouse and East Goodwin Lightship, 1899
• photographs of light vessels at Tongue, Crosby, East Goodwin, South Goodwin and of a pilot vessel, c.1900
• correspondence concerning the installation at Borkum Lighthouse, Germany, 1900
• papers concerning the Nantucket Lightship installation, with a photograph, 1901-4
• agreement with Trinity House for the provision of lighthouse and lightship installations, 1905
• press cuttings, extracts and releases, 1921-5
• papers concerning the International Conference on Lighthouses, including visits to Marconi premises, 1929

Includes

• letter from Lloyd's about their possible interest in wireless telegraphy for communication with ships, 1897
• agreement with Lloyd's, with related papers, 1901
• papers concerning legal disputes between Lloyd's and the Marconi Companies, 1905-7

Includes

• correspondence and papers about trials on the RMSS Princess Clementine, 1900-1
• correspondence and papers about trials on the Lake Champlain and RMS Lucania, 1901
• Marconigram to the Lake Champlain, 1901
• letter from Andrew Gray to Marconi about the wavelength to be used on Marconi's return voyage on the SS Philadelphia, with the track chart of the Philadelphia showing points where Marconi received messages from Poldhu, and an article by Fleming giving the first notice of the 'daylight effect' on wireless transmission, 1902
• papers about experiments on the Carlo Alberto, incorporating correspondence between Marconi and J.A. Fleming discussing the use of a magnetic detector, 1902
• correspondence and papers about further trials and provision of services on the RMS Lucania and Campania, 1903-4
• letter from Lee De Forest to Marconi about claims of distances achieved by wireless apparatus and issuing a challenge, with Marconi's response, 1905
• reports of working of long distance telegraphs on board various ships, 1907
• report of communications made on the Caronia, 1909
• correspondence and report of trials on the Laurentic, 1911

Comprises

• passenger list for the sailing of the SS St. Paul on 8 Nov. 1899, including the names of Marconi and his staff, 1899
• proof and two clean copies of The Transatlantic Times, published on the St. Paul, 15 Nov. 1899
• letters requesting Marconi's signature on copies of The Transatlantic Times, 1910
• correspondence about an article to be written by Marconi for the Christmas edition of the Cunard Daily Bulletin, with a copy of the article, 1904
• typescript copies of news messages to ships, 1909-19
• guidelines for messages to be supplied from Poldhu, 1919
• correspondence and papers about ocean news services, 1919-34
• press cuttings about ocean news services, 1924-48
• souvenir Marconigrams of messages between passengers on the Mauretania's maiden voyage and the King and Queen on the Empress of Britain, and booklet about the Marconi equipment installed on the ship, 1939

Includes typescript copies of messages for first issue, 1903.

Comprises

• press releases, cuttings and articles on radio beacons, 1924-33
• report on tests on SS Vestal, a Trinity House vessel, 1927
• papers, press releases and cuttings about microwave radio beacons developed by Marconi, 1933-4

Comprises

• telegrams to and from the American company and North American shore stations about attempts to obtain news of the disaster
• correspondence with the Newfoundland Governor and the Canadian company about the Governor's inability to obtain news from the Cape Race Station
• correspondence about the Birma operator being a nuisance during the Titanic emergency
• correspondence and papers concerning Harold Bride and Jack Phillips, the Titanic's radio operators
• correspondence with the General Post Office about its investigations into the event

Comprises

• correspondence with the American company about sending documentation for U.S. stations, the progress of the U.S. Enquiry, and sending the proceedings of the U.S. Enquiry
• correspondence with Canadian company, about sending documentation for Canadian stations
• correspondence with Brussels company, about sending documentation for their ships
• correspondence with French company, about sending documentation for their ships
• correspondence with German 'Debeg' company, about sending documentation for their ships
• correspondence with French and Belgian companies, and copies of messages sent by these and other companies

Comprises

• correspondence
• draft statement of George Turnbull, Deputy Manager of the Marconi International Marine Communication Company
• printed letters from Bradfield, one with extracts from ships' reports and the other [2 copies] with a substitute procès-verbal for the Carpathia
• substitute procès-verbaux for the Titanic and the Carpathia [2 printed versions]
• printed copies of Masters' Service Messages received and sent by the Titanic [4 printed copies, 3 annotated]
• Track and Communication Chart for the North Atlantic, Apr. 1912

Comprises

• Punch cartoon of Marconi
• cartoon of Marconi published in the U.S.
• correspondence about a Titanic benefit performance at the Hippodrome
• booklet about an Engine Room Heroes' Memorial at Liverpool
• draft letter from Marconi to William Harrison, proposing an article on the Titanic disaster and wireless telegraphy
• Review of Reviews: WT Stead Memorial Number [Stead perished on the Titanic]
• list of wireless stations giving their range in miles
• company circular reminding operators of the necessity of using the correct forms for all communications
• letter to the editor of the Globe about a leading article on the Lord Mersey's report, which the company considered to be unfair with regard to the manner of use of Marconi apparatus on board ships
• note of the times of June sailings of the Amerika, President Lincoln and Prinz Friedrich Wilhelm [probably in connection with obtaining copies of their procès-verbaux]
• photograph of Sydney Buxton and Llewellyn Smith attending the International Conference on the Safety of Life at Sea, 1913

comprises procès-verbaux for

• Amerika (original and typed extract)
• Antillian (original)
• Asian (original, with related papers)
• Athenai (original in various forms)
• Baltic (original, with related papers)
• Californian (empty folder only: procès-verbal missing)
• Canadian (original)
• Caronia (original)
• Carpathia (original, with two copies of typescript continuation compiled from other sources)
• Celtic (original)
• Cincinnati (original)
• Empress of Britain (original)

comprises procès-verbaux for

• Franconia (original)
• Frankfurt (original)
• Megantic (original, with covering note)
• Mesaba (original, with related papers)
• Minnehaha (original)
• Minnewaska (original, with related papers)
• Mount Temple (original)
• Olympic (original, with related paper)
• Parisian (original)
• President Lincoln (original)
• Prinz Friedrich Wilhelm (original)
• Virginian (original)
• Ypiranga (original, with covering letter)

comprises procès-verbaux for

• Camperdown (original, with covering letter)
• Cape Cod (typescript copy)
• Cape Race (typescript summary)
• Cape Sable (original, with covering letter)
• Sable Island (original and typescript copy)
• Sagaponack (typescript copies)
• Seagate (typescript copy)
• Siasconset (original)

Two sets of copy messages about ice in the vicinity of the Titanic, distress messages following the collision with an iceberg, and messages from ships about coming to the aid of the stricken vessel.

Three messages only, between Olympic and Carpathia.

Messages relating to shipping and to radio traffic, including enquiries and reports as to the current situation, and the difficulty of obtaining information.

Personal messages to/from those on board ships in the vicinity of the Titanic, including survivors on the Carpathia.

Messages from the press seeking news and personal stories about the sinking.

1st, 2nd, 6th, 9th, 11th, 12th, 13th days only [possibly those days on which evidence pertaining to wireless telegraphy was heard].

Comprises

• Marconigrams about value of wireless in saving lives of those on board the Republic
• reports by the wireless operators on the Republic and Baltic (Binns and Tattersall) about the events surrounding the disaster
• menu and programme for dinner in honour of Binns and Tattersall
• receipt for watch given to Binns
• photograph of Binns receiving the watch from Marconi
• photographs of the Republic, one autographed by Binns

Comprises

• issue of the Cunard Daily Bulletin for the Lusitania on her last outward voyage, 21 Apr. 1915
• news messages received by the Lusitania on her last outward voyage
• telegram from Beatrice Marconi to her husband Guglielmo, expressing relief at his escaping the Lusitania sinking
• draft and copy of letter from Marconi to the Chairman of Cunard about the failure to refit the wireless aerial on the Lusitania prior to her sailing on her last outward voyage, with a copy of a letter from Godfrey Isaacs advising that he did not deliver the letter
• Track and communication chart for the Lusitania and other vessels, May 1915, with separate key; made for the Lusitania Inquiry

Compiled for the Lusitania Inquiry.

Comprises

• Timely Rescues: list of marine disasters in which wireless figured, 1916
• press releases relating to sea rescues and wireless involvement, 1921-34
• reports on the loss of the Vestris, 1929

Includes photographs of

• RRS Discovery
• RMS Empress of Britain
• SS Kronprinz Wilhelm (view of Marconi cabin)
• SS Kaiser Wilhelm der Grosse
• SS Kaiser Wilhelm II
• RMS Lucania
• RMS Lusitania
• SS Minneapolis (exterior and Marconi cabin)
• SS Minnetonka (Marconi cabin)
• [SS?] Parisian
• SS Philadelphia
• RMSS Princesse Clementine (exterior, Marconi cabin and mast & sprit)
• SS Samalia (operator G.D. Cowley in wireless cabin), 1929
• IJN Takasago
• SS Tunisian
• lifeboat of [SS?] Montclare with Marconi equipment
• exhibition version of a Cunard Marconi cabin
• HMS Aboukir
• HMS Amphitrite
• HMS Anson
• HMS Cressy
• HMS Duncan
• HMS Exmouth
• HMS Galatea
• HMS Glory
• HMS Hogue
• HMS Irresistible
• HMS Jaseur
• HMS Juno
• HMS London
• HMS Mars
• HMS Niger
• HMS Nile
• HMS Russell
• HMS Spartan
• HMS Swiftshire
• HMS Triumph
• HMS Vengeance

and of

• Marconi station at Bari

Includes photographs of

• ST Nogi
• ST Miura (receiver)
• ST Earl Kitchener
• SS Majestic (equipment)
• SS Homeric (equipment)
• SS Clan MacFarlane (equipment)
• ST Kings Grey (exterior and equipment)
• SS Montcalm (equipment)
• SS Tasman (equipment)
• SS Empress of Scotland (equipment)
• SS Montrose (exterior and equipment)
• SS Lampas (equipment)
• SS Leviathan (radio room)
• SS Lorina (equipment)
• SS Olympic (equipment)
• SS Minnewaska (direction finder aerials)
• SS Mantua (direction finder aerials)
• RMS Mongolia (wireless cabin)
• SS Mooltan (direction finder aerials)
• SS Eldon (equipment)

Includes

• cutting of article by William Preece on Wireless Telephony, 1900
• letter about Round's intention to conduct wireless telephony experiments at Broomfield, 1908
• letter from J.A. Fleming about a proposed article on wireless telephony, 1914
• papers about experiments conducted by Marconi in Sicilian waters, 1914
• letter from H.J. Round to Guglielmo Marconi about wireless telephone sets being sent to Italy, including technical details, 1914
• American Telephone and Telegraph Company brochure on wireless communication, including reference to wireless telephony, 1915
• Company leaflet on the Wireless Telephone, c.1920
• Souvenir brochure on the first Wireless Telephone News Service, 1920
• papers, including a souvenir album, concerning the combined wire and wireless telephony service between London and Amsterdam, 1921-2
• report of the Radio Research Board Sub-Committee on Radio Telephony, 1922
• booklet of press reports on 'What Wireless Telephony can do for India', 1922-3
• agreement between the Postmaster General and the American Telephone and Telegraph Company for a telephone service between the UK and the USA, 1927

Comprises copies of the North Atlantic Times produced on the CPOS Victorian on which many of the delegates travelled, with related correspondence, papers, cuttings and photographs about this and wireless telephony demonstrations on the ship.

Predominantly correspondence of A.R. Burrows, including

• correspondence with the GPO about applications for and issue of licences for broadcasts
• correspondence about practical arrangements for broadcasts (including some by the British Broadcasting Company), including the engagement of artistes
• letters commenting on the quality of reception of programmes

Comprises

• copies of licences for the station at Marconi House in London (2LO), with related correspondence, 1922
• circuit diagram of the 2LO transmitter used at Marconi House between 1922 and 1925, c.1925
• [copy] plan of the 2LO studio of the British Broadcasting Company Ltd. at Marconi House, 1922
• press releases about the closure of the original 2LO station at Marconi House and the opening of a new one at the BBC, 1925
• circuit diagram of the 2MT transmitter at Writtle, 1922
• photographs of Nora Scott singing at Writtle and of the Marconi station there, 1922
• letter and press release about the closure of the 2MT station at Writtle, 1923
• press release about wireless telephony demonstration at the first Conference of the League of Nations, Geneva, 1920
• press releases announcing broadcasts of entertainment and other programmes, 1921-2
• postcards announcing forthcoming broadcasts, 1922
• correspondence with the Chappell Piano Company Ltd. and with Cliftophone Ltd. about the use of a Cliftophone in broadcasts, 1922-3
• papers about the broadcast of an address by the Prince of Wales to the Boy Scouts of Great Britain, including a souvenir booklet, 1922
• papers and cuttings about the broadcast of the King's speech at the opening of the British Empire Exhibition, 1924
• draft letter about the possible incorporation of advertisements in sound broadcasts, c.1925
• miscellaneous press cuttings and articles, 1921-30

Includes

• papers about the formation of the company, including memorandum and articles of association, 1922
• copy of the company's broadcasting licence and agreement, 1923
• programmes of broadcasts, Apr. 1923
• reports of the Broadcasting Committee, 1923, 1925
• printed papers relating to the formation of the British Broadcasting Corporation, 1926
• BBC reports, 1927-9
• booklet on the Empire Broadcasting Service, 1935
• printed reports, 1935, 1949

Comprises papers relating to

• the approval of and royalties payable on wireless sets, especially the amounts due for use of Marconi patents, 1921-9
• agreements and fees payable for the broadcasting of literary and dramatic works, 1924-5

Includes papers on stations at Chelmsford, Daventry, Brookman's Park, Moorside Edge (Huddersfield), Droitwich and Skelton.

Includes papers relating to stations for

• Argentina
• Austria
• Brazil
• Christmas Island
• Czechoslovakia
• Egypt
• Finland
• Iceland
• India
• Ireland
• Italy
• Japan
• Norway
• Palestine
• Peru
• Poland
• Romania
• South Africa
• Spain
• Sweden
• Switzerland
• Vatican
• Yugoslavia
• League of Nations, Geneva
• multiple locations

Comprises

• BBC 'World-Radio' Broadcasting Map of Europe (2 versions, differing slightly), 1928
• map of Marconi stations worldwide, 1929
• map of Marconi stations over 5kW worldwide, 1951
• lists of Marconi stations, 1925-55

Also includes a report on wireless in China, 1944, and a note on wireless in Iran, 1947.

Includes

• papers about demonstrations to British Association meetings, 1932-3
• press release and article about the quality of picture definition achievable, 1935

Comprises

• printed copies of correspondence and draft agreements between Marconi's Wireless Telegraph Company Ltd. and Electric and Musical Industries Ltd. for the formation of a television company, 1934
• press release announcing the formation of the company, 1934
• balance sheets and accounts, 1935-45, 1948

Includes technical descriptions of the Marconi-EMI system.

Includes

• booklets and articles about the Marconi-EMI system, c.1936-1938
• booklet and article about the London Television Station, Alexandra Palace, 1937-8
• brochures about Marconi television, c.1950-1954

Comprises

• photographs of the actor/aviator Robert Loraine and Mr. Thorne-Baker of the Daily Mail, taken at the time of air-to-ground experiments on Salisbury Plain, 1910
• letter from the Italian Ministero della Marina to Guglielmo Marconi, requesting that he proceeds with installing wireless telegraphy on dirigibles, 1916
• historical notes on the development of aircraft radio, c.1957, including original documents relating to the use of wireless telegraphy in aviation in World War 1, 1917-18

Includes

• Programme of demonstration on aircraft position and direction finding by Wireless, c.1920
• article on 'Wireless Equipment of the Croydon Aerodrome', 1928
• article on 'Wireless Equipment of the Manchester Air Port', 1933
• pamphlet on the Marconi Aeradio Training School, c.1939

Includes

• Wireless Press memoranda about handling news on transatlantic flights (also news on events in Russia), 1919
• press release about the flight of the airship R.38 across the Atlantic, 1921
• press releases about the use of wireless direction finding on the airship Norge 1 on its attempted flight across the North Pole, 1926
• papers about a flight by Major Franco from Spain to South America, and subsequent flights including an attempted world flight during which he was killed, 1926-9
• correspondence and papers about Captain F.T. Courtney's attempted flight across the Atlantic and rescue using wireless, 1927-32
• press releases and cuttings about flights by Major Kingsford-Smith, 1928-31
• correspondence and press cuttings about the attempted transatlantic flight of Majors Idzikowski and Kubala of Poland, ending in a crash in the Azores in which Idzikowski died, 1929
• correspondence and press cuttings about Lieutenant-Commander Glen Kidston's flight to South Africa accompanied by a Marconi radio operator, T.A. Vallette, and Kidson's subsequent fatal crash, 1929-31
• press releases about flights by the airship R.100 using direction finding, 1930
• press cuttings and releases about flights by Mrs. Victor Bruce, 1930-2
• correspondence and papers about Sir Alan Cobham's survey flight to Africa, 1931
• booklet and press cuttings about Captain C.D. Barnard's Aerial Circus, 1931
• telegram and letter from Amy Mollison, née Johnson, in appreciation of the value of her Marconi set during a flight to the Cape and back, 1936

Includes lists of equipment used, reports from company staff in the field, and correspondence with the Admiralty.

Comprises

• general correspondence and papers relating to Admiralty wireless stations in Britain, 1912-19, including particulars of Marconi stations intercepting for the Admiralty Intelligence Division and 'Captain Round's List' of [direction finding] stations and numbers of permanent staff, 1917
• correspondence with Captain Hope, Captain James and Lieutenant Robb at the Admiralty, on administrative matters regarding direction finding stations, 1916-18, 1917

Comprises correspondence relating to

• Murcar Station, Aberdeen, 1915-18
• York Station, 1916-18
• Flamborough Head Station, Yorkshire, 1917-18
• Kilmuir Station, Isle of Skye, 1917-18

Comprises notes relating to the selection of sites and the construction, equipping and staffing of stations.

Comprises inventories for

• North Lowestoft Station, Dec. 1917, Dec. 1918
• York Station, Dec. 1917, Dec. 1918
• St. Nicholas-at-Wade (Birchington) Station, near Thanet, Jan. 1918, Dec. 1918
• Flamborough Head Station, Jan.-Feb. 1918

together with Round's inventory of stock at head office and on loan to Ediswan, Dec. 1917.

Comprises

• plans of receiving house for Navy 'B' stations, 1915
• plans of hut for quarters for crew at Sandwich Wireless Telegraph Station, 1916
• map of NE France and part of Belgium, with Army positions noted, c.1916

Includes technical data on stations and notes relating to their construction and staffing .

Comprises

• Marconigram to K.W. Tremellen inviting him to join Round's team, 1914
• photograph of direction finding equipment and staff at Chelmsford prior to leaving for France, 1914
• plot of readings recorded at Abbeville, showing the change due to the 'night effect', 1915
• photographic copy of pages of readings, 1916
• news cuttings relating to the use of direction finding at the time of the Battle of Jutland, and the identification of H.J. Round as the man behind direction finding, 1920

Comprises maps of the North Sea and surrounding coasts, showing

• ship movements prior to the Battle of Jutland, May 1916
• Zeppelin raids, Oct.1916
• Zeppelin raids, 1-2 Oct. 1916 [not contemporary, possibly related to previous item]
• Zeppelin raids, 27-28 Nov. 1916
• Zeppelin raids, 24-25 Sept. 1917

May have been compiled at a later date.

Includes

• note of an intercepted wireless message in German announcing the outbreak of war, copied down by H.J. Round, 1914
• letter from Godfrey Isaacs to Guglielmo Marconi advising that experiments with America are not possible, reporting on speculation as to the side Italy will take in the war, and referring to the hope of concluding the contract for the Imperial stations, Sept. 1914
• letter from the Home Office advising it is not possible to grant exemption to Marconi from the Alien Restrictions Order to allow him to travel more freely, Nov. 1914
• correspondence with the War Office about a visit by Marconi to the headquarters in France, 1915
• letter from Lord Kitchener to Marconi in appreciation of Marconi's success in organising the manufacture of cartridges for rifles loaned by the Italian Government to Russia, 1915
• wartime annual report of the U.S. Naval Radio Service, 1915
• copies of the message announcing the cessation of hostilities, with related papers, Nov. 1918
• letter from Field Marshal Douglas Haig to the Wireless Press Ltd., expressing thanks for the services performed by wireless telegraphists throughout the war, 1918
• letter from Admiral David Beatty to Marconi, expressing thanks for the service of wireless ratings, operators and equipment in HM Navy, 1918
• summary of Roll of Honour for the company, c.1918
• letter from W.R. Cross, Marconi International Marine Communication Company Traffic Manager, to H.W. Allen giving a history of the work of the department during the war, including details of the recruitment and training of ships' radio officers, 1921

Draft of the book with chapters 4, 10, 11, 12 and 15 missing, possibly removed because of the sensitivity of the content; internal company correspondence directing adverse criticism at the draft overall; correspondence from the Directors of Military and Naval Intelligence with criticism noting material that should not be published in the national interest.

Includes

• papers relating to the Chelmsford Works ARP Committee, including minutes, plans for the evacuation of staff and training material, 1938
• description of ARP Organisation, c.1940
• instructions about the application of the Aliens (Protected Areas) Order to the Chelmsford Works, 1940
• papers concerning a presentation to Mrs. Grant, wife of the company chairman Admiral Grant, in appreciation of her work, especially following a bombing incident at Chelmsford, 1941
• administrative papers relating to wartime production, 1941-5
• notes on valve laboratories during the war, 1945
• correspondence about war damage repairs at Chelmsford, 1947

Includes copy of a speech by Churchill to the crew, 'Cypher Office Ode to the W/T Office', and instructions on 'Russian in Five Minutes'.

Probably compiled by Admiral H.W. Grant, Chairman of the company.

Some are initialled by Henry Jameson-Davis. The drawings comprise eleven plans and sections of various components of Marconi's wireless equipment, and were probably preparatory to the construction of the instruments shown. Seven drawings are of oscillators (the key component of Marconi's wireless transmitter) or parts thereof, in perhaps two or three alternative arrangements. One shows a plan view of the coherer receiver, the earliest form of wireless receiver used by Marconi. Two more depict designs for boxes and drawers to house the equipment; a final drawing is unidentified but may be a design for part of the coherer receiver.

Comprises

• papers relating to the coherer, c.1897-1903
• papers concerning the magnetic detector, 1902-6
• papers concerning the Poulsen system and the Poulsen and Duddell arcs, 1906-28
• letter from I. Bowden reporting his satisfactory testing of instruments including coils, keys, receivers, inkers and jiggers, 1900
• annotated diagrams by Marconi of single and double-disc arrangements for a discharger, 1903
• correspondence and notes on X-Stoppers (for reducing atmospheric interference), 1903-4
• note of three tubes removed and sent to Mr. Hicks, c.1905
• correspondence concerning the Grisson Interruptor, 1906-7
• letter from Fleming to Marconi discussing a rotating discharger, 1908
• statement by Fleming about a paper by him on quantitative measurements in connection with radiotelegraphy, 1909
• correspondence relating to the use of kites for raising aerials, 1901, 1910-12
• booklet 'Instructions for Assistants and Others using Marconi Apparatus for Wireless Telegraphy', 1901, with correspondence from Capt. C.G. Robinson of HMS Vernon about its drafting, 1900-1
• technical drawings and wiring diagrams of equipment for stations, some named, 1910

Includes

• letter from J.A. Fleming to Marconi referring to his discovery of a method of rectifying electrical oscillations, which led to his invention of the thermionic valve, 1904
• correspondence, including from H.J. Round and J.A. Fleming, concerning valves, 1909-20
• papers relating to dull emitter or low temperature emitting valves, 1922
• report on the emission of X-rays from valves, 1923
• letter from J.A. Fleming to Marconi noting the 21st anniversary of the invention of the thermionic valve, 1925
• articles and press cuttings on valves, 1919-33

Comprises

• transcripts of proceedings of a (dismissed) petition for prolongation of J.A. Fleming's patent No. 24,850 of 1904, 1918
• printed copies of papers for Fleming valve case in the United States, 1920

Comprises

• correspondence, 1908-14
• reports on work done by Round and his staff, 1920-1
• report by Round on high frequency resistance measurements, n.d.

Comprises

• letter from Cuthbert Hall to Marconi about the possibility of ascertaining a ship's position, 1901
• telegrams between Marconi and Kemp about experiments with directional aerials, 1905
• correspondence with the Admiralty concerning directional transmission and reception, and the possibility of direction finding, 1906
• correspondence about the use of directional wireless on Belgian ships, 1906
• paper by Marconi on directional transmission and reception, 1906
• letter from W.T. Ditcham discussing technical aspects of a direction finder, 1915
• letter from H.C. Kenworthy to the Chief of the Field and Air Division of the company, reporting the successful location [by direction finding] of an unlicensed transmitter during the General Strike, with an organisation chart prepared (according to a later note) for services during the strike, and copies of newspapers issued at the time, 1926

Comprises

• descriptive leaflets for direction finding equipment, c.1920-c.1949
• articles, papers and press cuttings on direction finding, 1919-54

Comprises

• drafts and copies of relevant patents, 1912, 1921-4
• report by G.M. Wright on Bartholomew and McFarlane's method of picture telegraphy and its possible application to wireless, 1923
• draft agreement with the Daily Mirror and Bartholomew and McFarlane for the use of wireless picture telegraphy patents, with related correspondence, 1923
• reports by D.W. Roe on picture telegraphy, 1924

Includes press releases and cuttings, articles, draft technical descriptions and brochures.

Includes

• letter reporting the opening of the micro-wave radio telephone service for the Vatican, and photographs of the equipment and aerial, 1933
• reports, papers and photographs of G.A. Mathieu on microwave research, 1933-4
• text of lecture by Marconi to the Royal Institution on 'Radio Communication by Means of Very Short Waves', 1932
• text, with translation, of paper given by Marconi to the Royal Academy of Italy on the propagation of micro-waves at a considerable distance, 1933
• press releases and cuttings, 1930-4

Includes

• historical summary of work on VHF (microwave), 1948
• report and press cuttings on the first use of Marconi VHF equipment for press reporting, 1948
• report of VHF trials carried out at Battersea Power Station to investigate its practicability on large building sites, 1950.

Includes

• correspondence between Marconi and Sir Howard Grubb concerning the use of wireless telegraphy to control clocks, 1898
• correspondence concerning the Alexanderson Alternator, including a report on the New Brunswick Station which used one, 1915-19
• press extracts on the optophone, 1921
• letter concerning the otophone, 1923
• papers concerning mobile wireless telegraphy applications, 1923-30
• papers on Marconi public address equipment, 1925-6
• sheets of unidentified experimental data (written on procès-verbal forms), 1918

Predominantly correspondence with Guglielmo Marconi, including

• correspondence regarding a possible high power station for the World's Fair at St. Louis, and an exhibit at the Fair, 1903-4
• letters from Cuthbert Hall enquiring about Lee De Forest having once applied to Marconi for a situation, with a copy of the application (dated 1899), 1904
• correspondence about possible business in Alaska, 1913
• correspondence, including a report by David Sarnoff, on the receiving system developed by a Mr. Armstrong, 1914
• two copies of agreement by the American company for Guglielmo Marconi to negotiate a contract with the Italian Government, 1903
• photographs of wireless stations at New Brunswick and Belmar, New Jersey, 1914
• Manual of the Marconi Institute, c.1917-18

Includes

• agreements between the companies, 1919-21
• press releases and extracts regarding the opening of the Radio Central Station on Long Island, New York, with a draft note of congratulations from Guglielmo Marconi to RCA, 1921