Showing Records: 21 - 30 of 8878
2 papers: ‘Atmospheric Interference in Wireless Telegraph’ and 'Fading and the Heaviside layer', c. 1925-1926
2 papers: ‘Atmospheric Interference in Wireless Telegraph’, manuscript and typescript draft for a slide lecture, no date, c. 1926; and 'Fading and the Heaviside layer', a 6 page typescript, no date, c. 1926.
2 papers: 'Short Wave Wireless Transmission...' and 'Atmospheric Electricity and Wireless Transmission', no date and c. 1930
2 papers: 'Short Wave Wireless Transmission. The Discovery of the Low Attenuation of Short Waves’, the first of a series of articles, 4 pages, no date; and 'Atmospheric Electricity and Wireless Transmission', an article for a B.B.C. Handbook- a galley proof, no date , c. 1930.
2 papers: 'The Study of Wireless Signal Fading' and 'The Proof of the Existence of the Heaviside Layer', c. 1926
2 papers: 'The Study of Wireless Signal Fading', 5 pages of manuscript, probably intended for Wireless World, no date, c.1926; and 'The Proof of the Existence of the Heaviside Layer', 6 pages of manuscript probably intended for Wireless World, also no date, c.1926.
2 papers: 'Wireless Telegraphy' and 'Wireless Transmission and the Upper Atmosphere', no date
2 papers: 'Wireless Telegraphy', a 3 page manuscript draft of the first of 3 lecture, no date; and 'Wireless Transmission and the Upper Atmosphere', a 4 page manuscript draft, no date.
2 proposals for postwar radio research, possibly not by Edward Appleton, c. 1939-1945
2 proposals for postwar broadcasting, possibly not by Edward Appleton: 'Memorandum on ionospheric research and prediction of radio propagation', 16 pages, plus 2 pages with 6 pages of appendices, no date; and ‘Post war civil broadcasting’, 2 pages, no date.
2 reports relating to the detection of ships and aircraft, c. 1941 and no date
2 reports relating to the detection of ships and aircraft:
‘Report on the Use of Radiation of Wave-Length 5-10 cms. for the Detection and Automatic Following of Aircraft and Ships'. The material consists of a 16 page typescript, with photographs, regarding the Klystron and magnetron, no author or date, c. 1941).
‘Reception of R.D.F. [Radio Direction Finding] by ships at sea'. The material consists of a manuscript note and diagrams, no author or date.
2 separate sheets of 'Further Notes', c. 1936
The material consists of 2 separate sheets of 'Further Notes'. It is similar to the 'Criticism of Martyn and Pulley' notes which were dated c. 1936.
2 small Pyramids - Pyramid of Cephren in distance, February 1852
Photograph of 2 small Pyramids - Pyramid of Cephren in distance.
2 vellum documents relating to Westshield and the Westshield glass, and a typescript transcription of part of the vellum documents, 1766; 17 March 1861
2 vellum documents relating to Westshield dated 17 March 1861 and the Westshield glass, dated 1776, and a typescript transcription of part of the vellum documents.
2 versions of lecture on Robert Burns and Medicine given in Edinburgh, c 1964-27 November 1970
2 versions of lecture by Norman Dott on Robert Burns and Medicine given in Edinburgh. The lectures have different mauscript corrections, and one has a note 'lent to Dr. Happel 27.11.70. [27 November 1970]'.