Electromagnetic Waves
Found in 3 Collections and/or Records:
Correspondence from H.L. Kirke and K. Kreielsheimer to Edward Appleton, 1940, 1947
The material consists of correspondence from H.L. Kirke to Edward Appleton, dated 1940, relating to the propogation of short waves (for the B.B.C.); and from K. Kreielsheimer to Appleton, dated 1947.
Report, 'Rapport sur la detection électromagnétique par la télégraphie militaire' and copy of typescript letter from R.A. Watson-Watt, 1935-1936, 1945
Report in French, 'Rapport sur la detection électromagnétique par la télégraphie militaire' [Report on electromagnetic detection by military telegraphy], 1935. The material was sent to Appleton with a covering letter dated 1945 and a note at the end of the report describes it as the only surviving document on French pre-war research of that type, all other records having been destroyed in 1940.
‘Summary of Reports on W. G. Y’, August 1926-December 1926
‘Summary of Reports on W. G. Y’. the material consists of a 14 page manuscript account of radio reception at various wavelengths, dated August-December 1926. Author unknown.