Papers of John Sealy Edward Townsend

Single Item

MS. Eng. misc. a. 19

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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: One letter from Professor W.O. Schumann dated April 4, 1954. One letter from Professor G. Lamparillo dated June 15, 1953
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: Patent No. 115876 'Improvements in variable electric inductances' May 18, 1917. Patent No. 130429 'Improved means for detecting small electric currents' February 23, 1918. Patent No. 129579 'Improvements in electric wave meters' February 4, 1919
Folder 14: Envelope marked '3 French patents' containing: Patent No. 499497 corresponding to British Patent No. 115876, and letter authorising construction and sale by Établissements Gaumont of Paris (MS. copy of letter), February 10, 1921 1918. Patent No. 21803 as addition to No. 499497, November 5, 1919. Patent No. 496870 corresponding to British patent No. 130429, October 2, 1918. Copy of 'Notice sur le Contrôleur d'Ondes Gaumont', May, 24, 1923
Folder 15: Envelope marked '3 Italian patents' containing: Patent No. 241, Vol. 501 December 31, 1918. Patent No. 242, Vol. 501 December 31, 1918. Patent No. 242, Vol. 501 (addition) December 31, 1918
Folder 16: Contract with the Admiralty to supply 18 wavemeters, 1918
Folder 17: Envelope marked 'Agreement Johnson and Phillips' regarding patents in Item 13, 30 June 1920. Envelope marked 'Bristows, Cooke and Carpmael' containing 'expenses of Johnson and Phillips License and claims in respect of wavemeter v. government' 1920
Folder 18: Patent No. 177938 (5248 ²¹) 'Improved method of and means for measuring the length of electric waves' with James Herbert Morrell, February 15, 1921
Folder 19: Envelope marked '3 American patents' containing: Patent No. 1376592 'Variometers' May 3, 192. Patent No. 1421041 'Variometers' June 27, 1922. Patent No. 1455458 corresponding to British Patent No. 130429, 'Means for detecting small electric currents', May 15, 1923
Folder 20: Envelope marked 'Marconi's Wireless Telegraph Co. Ltd, Deed of Terms and License', October 18, 1924
Folder 21: British Patent No. 257334 'Improvements in adjustable inductances' and letter from chartered patent agents, May 27, 1925

Dates

Creation: 1914-1956

Extent

21.0 items

Language of Materials

English

Preferred Citation

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

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Shelfmark:

MS. Eng. misc. a. 19

Collection ID (for staff)

CMD ID 16098

Additional Description

Abstract

Papers, correspondece, patents, and contracts of Sir John Sealy Edward Townsend, Wykeham Professor of Theoretical Physics, Oxford.

Biographical / Historical

1868 Born in Galway, Ireland
1885 Entered Trinity College, Dublin
1890-1895 Fellowship Prizeman
1895 Entered Trinity College, Cambridge, as an advanced student
1898 Clerk Maxwell Scholar
1899 Fellow of Trinity College, Cambridge
1900-1941 Wykeham Professor of Theoretical Physics and Fellow of New College, Oxford
1903 Elected Fellow of the Royal Society
1910 Opening of the Electrical Laboratory (now the Townsend Laboratory)
1911 Married Mary Georgiana Lambert
1914 Hughes Medal
1914-1918 Wireless research, Royal Naval Air Service
1941 K.B.E.
1941 Retirement
1957 Death.