Papers of John Sealy Edward Townsend
MS. Eng. misc. a. 19
- 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
Language of Materials
Oxford, Bodleian Libraries [followed by folder number, e.g. MS. Eng. misc. a. 19, folder 3].
Please see our help page for further guidance on citing archives and manuscripts.
MS. Eng. misc. a. 19
Collection ID (for staff)
CMD ID 16098
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.
Immediate Source of Acquisition
Given by Lady Townsend, 1957.
- Papers of John Sealy Edward Townsend
- Finding aid prepared by EAD version by Lawrence Mielniczuk
- Language of description