Papers of John Sealy Edward Townsend

Bodleian Library, University of Oxford

EAD version by Lawrence Mielniczuk
2017


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Shelfmark(s): MS. Eng. misc. a. 19
Title: Papers of John Sealy Edward Townsend
Dates of Creation: 1914-1956
Extent: 1 box
Language(s) of Material: English



Biographical/Historical
Scope and Content

The collection comprises:

Folder 1: Memoir by A. von Engel (Biographical Memoirs of Fellows of the Royal Society, Vol. 3, November 1957, pp. 257 - 272).

Folder 2: Electricity and Radio Transmission, Winchester: Warren & Son: 9 MS. pages of corrections and a drawing for figure 22, 1943.

Folder 3: 'Radiation and Energy', Chapter IX of Electricity and Radio Transmission: typescript with extensive MS. corrections, 1943.

Folder 4: Electromagnetic Waves, London, Hutchinson's, 1951: annotated copy with list of corrections and 2 pages of notes from the 1946 edition of Encyclopedia Brittanica, 1951.

Folder 5: MS. notes taken on 'History of the Theories of Aether and Electricity' by E.T. Whittaker, Dublin University Press, 1910, n.d.

Folder 6: MS. draft of 'Transmission of Waves in Aether', n.d.

Folder 7: 'Transmission of Waves in Aether. Maxwell's Theory': typescript and copy (both with MS. corrections), n.d.

Folder 8: 'Theory of Waves in Gases': typescript with extensive MS. corrections (includes abstract, preface, and 'list of paragraphs'), 2 envelopes containing figures, 1956.

Folder 9: MS. notes on books read (Poincaré; 'Electric Waves' by Hertz), n.d.

Folder 10, containing:

Folder 11: Diagrams for wavemeter IV, n.d.

Folder 12: Patent No. 15788, 'Improvements in and relating to electrical vacuum discharge devices', 1914-1915.

Folder 13: Envelope marked '3 English patents', containing:

Folder 14: Envelope marked '3 French patents', containing:

Folder 15: Envelope marked '3 Italian patents', containing:

Folder 16: Contract with the Admiralty to supply 18 wavemeters, 1918.

Folder 17, containing:

Folder 18: Patent No. 177938 (524821), 'Improved method of and means for measuring the length of electric waves' with James Herbert Morrell, 15 February, 1921.

Folder 19: Envelope marked '3 American patents', containing:

Folder 20: Envelope marked 'Marconi's Wireless Telegraph Co. Ltd, Deed of Terms and License', 18 October 1924.

Folder 21: British Patent No. 257334, 'Improvements in adjustable inductances' and letter from chartered patent agents, 27 May 1925.


Immediate Source of Acquisition

The papers were acquired by the Bodleian in 1957.


Preferred Form of Citation

Oxford, Bodleian Library [followed by folder number, e.g. MS. Eng. misc. a. 19, folder 3].


Access Point(s)
Townsend | John Sealy Edward | 1868-1957 | Physicist

Physics


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25 October 2017