Scope and Contents Correspondence and material on history of radar, mostly dated 1945 however contains some earlier dates. The material consists of:Correspondence with C. E. Horton, dated 1924, relating to work with Robert Watson-Watt on Cathode Ray Direction-finding, 1924.Correspondence with C.J. Mackenzie, dated 1923, relating to American Cathode Ray research.A press release on Vatican radio and radar.Offprint of article ‘Radiolocation’, by R.L....

Scope and Contents

Correspondence from colleagues of Edward Appleton, mostly dated 1944 but containing some earlier references. The material is mainly on the history and inventors of radar. It is filed in alphabetical order from:

R.L. Smith-Rose, including copies of patents, photographs, and some research calculations.

R. Whiddington, enclosing a note by C.S. Prince on his early ‘squegger’ circuit.

Scope and Contents

The material consists of correspondence from H.W. Newton to Edward Appleton, dated 1938-1939; from W.R. Piggott to Edward Appleton, no date, c. 1939; and from R.L. Smith-Rose to Edward Appleton, dated 1938.

Scope and Contents

Correspondence from M.N. Saha to Edward Appleton, dated 1948, from R. L. Smith-Rose to Edward Appleton, dated 1945, from F.J.M. Stratton to Edward Appleton, c. 1946 and from H.C. van de Hulst to Edward Appleton, dated 1947.

Scope and Contents

Correspondence from R.L. Smith-Rose to Edward Appleton, dated 1942, 1946-1960. The material includes a letter from Y. Rocard, dated 1949, relating to French ionospheric research, and a report by Smith-Rose on the solar eclipse, dated 1952.

Scope and Contents

Correspondence from Sir Gordon H. A. MacMillan, W. R. Piggott and R. L. Smith-Rose to Sir Edward Appleton, dated October 1949. The material follows on from Coll-37/A.25 and regards the possible setting up and financing of an ionospheric laboratory in conjunction with Edinburgh research.

Scope and Contents

The material includes two papers by Beynon: ‘Angle of Incidence' (January) and 'The application of ionospheric data to radio-communication problems', 17 pages plus 15 figures (January), etc. There is also a letter, date 9 October 1940, from G. Millington to R.L. Smith-Rose on a report by Beynon on maximum usable frequency calculations.

Scope and Contents

'Introduction to the Reports on the Propagation of Waves and on Directional Wireless Experiments', The material consists of a draft for a U.R.S.I. [Union Radio-Scientifique International] report by Edward Appleton dated 1926, 2 pages and includes a letter from R.L. Smith Rose.

Scope and Contents

Loose papers originally tucked into Coll-37/B.34. The material includes: 5 pp. ms. letter by Appleton to 'Mr. Piggott, Mr. Gorwyn' , 21 January 1945, discussing research on energy flux, 3 pp. note on 'The obliquity factor in diffraction problems', by P. M. Woodward, 1 June 1945 and note from R. L. Smith-Rose on 'radiolocation of the moon', 5 September 1945.

Scope and Contents

Note on the morphology of the F₂ layer of the ionosphere'. The material consists of a 6 page typescript plus 2 pages of figures, with manuscript annotations, and a letter from R. L. Smith-Rose to Edward Appleton, dated March 1944, offering comments and which suggests that the work should be circulated as a Radio Research Board confidential paper.