TOWNSEND, John Sealy E.

Published: 20 November, 2023  Author: admin


THE ROYAL COMMISSION ON HISTORICAL MANUSCRIPTS Report on the papers of SIR JOHN SEALY E. TOWNSEND, KBE, FRS (1868-1957) deposited in the Bodleian Library, Oxford Quality House, Quality Court, Chancery Lane, Reproduced for the Contemporary Scientific THE ROYAL COMMISSION ON HISTORICAL MANUSCRIPTS No. 74/16 All rights reserved Archives Centre (csac 8/2/74) by London WC2A 1HP 1974 csac 8/2/74 THE ROYAL SOCIETY THE ROYAL COMMISSION ON HISTORICAL MANUSCRIPTS Committee on Scientific and Technological Records CONTEMPORARY SCIENTIFIC ARCHIVES CENTRE Papers of SIR JOHN SEALY E. TOWNSEND, Keele gPeReSe (1868 ~ 1957) Listed by: Jeannine Alton Harriot Weiskittel 1974 Deposited in the Bodleian Library, Oxford Fe Sele OeS Asa H/otd Description of the collection The papers were received from the Bodleian Library where they were deposited in 1957. They cover the years 1914 — 1956. The files of patents (from Britain, France, Italy and the Hse constitute the major portion of the collection and are arranged chronologically. corrected typescript of 'Theory of Waves in Gases', the book on sound which Professor Townsend was writing during his last years. Item 8 in ‘Publications! includes an extensively Summary of the career of Professor Townsend 1868 1885 Born in Galway, Ireland Entered Trinity College Dublin 1890 ~ 95 Fellowship Prizeman 1895 1898 1899 Intered Trinity College Cambridge as an advanced student Clerk Maxwell Scholar Fellow of Trinity College Cambridge 1900 ~ 41 Wykeham Professor of Theoretical Physics, Oxford 1900 —~ 41 Fellow of New College Oxford 1903 1910 Fellow of the Royal Society Opening of the Electrical Laboratory (now the Townsend Laboratory) K.B.E. Biographical Page 1 1 2 2 ie IT. Le 1. 19711 . 1941 1941 Biographical Publications Married Mary Georgiana Lambert Vie Patents and contracts III. Correspondence Contents of the handlist 1914 ~ 18 Wireless research, Royal Naval Air Service Move to Winchester for several years followed by return to Oxford Memoir by A. von Engel (Biographical Memoirs of Fellows of the Royal Society, Vol. 3, November 1957, pp. 257 — 272) "Radiation and Imergy', Chapter IX of Electricity and Radio Transmission: typescript with extensive Ms. corrections Electricity and Radio Transmission, Winchester: Warren & Son: 9 Ms. pages of corrections, drawing for figure 22 Le Publications JsS.T.° 8/2/73 Blectromagnetic Waves, London: Hutchinson's, 1951: Annotated copy with list of corrections, 2 pages of notes from 1946 ed. of Encyclopedia Brittanica. Ms. notes taken on 'History of the Theories of Aether and Electricity! by E.T. Whittaker, Dublin University Press, 1910. Ms draft of ‘Transmission of Waves in Aether! ‘Transmission of Waves in Aether, Maxwell's Theory': typescript and copy (both with Ms. Corrections) ‘Theory of Waves in Gases': typescript with extensive Ms. corrections (includes abstract, preface and ‘list of paragraphs'), 2 envelopes containing figures. 7 August 1956! First page inscribed 'Received Ms. notes on books read (Poincare; 'Blectric Waves' by Hertz) j 4 Iil. Correspondence One letter from Professor W.O. Schumann dated April 4, 1954. One letter from Professor G. Lamparillo dated June 15, 1953. Patents and contracts Diagrams for wavemeter IV (7 sheets) ned February 23, 1918 No. 129579 ‘Improvements in electric wave meters' February 4, 1919 1914 — 15 1917 — 19 No. 15783 ‘Improvements in and relating to electrical vacuum discharge devices! Envelope marked '3 Inglish patents! containing: No. 115876 "Improvements in variable electric inductances! May 18,1917 No. 130429 'Improved means for detecting small electric currents! Envelope marked '3 French patents! containing: No. 499497 corresponding to British patent No. 115876, and letter authorising construction and sale by Hetablissements Gaumont of Paris (Ms. copy of letter), February 10, 1921 No. 21803 as addition to No. 499497, November 5, 1919 No. 496870 corresponding to British patent No. 130429, October 2, Copy of ‘Notice sur le Contr6leur d'Ondes Gaumont', May, 24, 1923 of wavemeter v. government! Envelope marked ‘Agreement Johnson and Phillips’ re patents in Item 13, 30 Jume 1920 Envelope marked 'Bristows, Cooke and Carpmael' containing Envelope marked '3 Italian patents! containing: No. 241,Vol.501 No. 242,V01.501 No. 242,Vo1.501 (addition) December 31, 1918 December 31, 1918 December 31, 1918 ‘expenses of Johnson and Phillips License and claims in respect Contract with the Admiralty to supply 18 wavemeters JsS9sT.' C.8.46C, 8/2/74 9 No. 177938 (5248°') 'Improved method of and means for measuring the length of electric waves! with James Herbert Morrell, February 15, 1921 Envelope marked '3 American patents' containing: No. 1376592 ‘Variometers' May 3, 1921 No. 1421041 'Variometers' June 27, 1922 No. 1455458 corresponding to British patent No. 130429, ‘Means for detecting small electric currents', May 15, 1923 Envelope marked 'Marconi's Wireless Telegraph Co. Ltd, Deed of Terms and License', October 18, 1924 British patent No. 257334 ‘Improvements in adjustable inductances! and! letter from chartered patent agents, May 27, 1925 1921 — 23