Scope and Contents

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.

Scope and Contents

The material consists of 3 reports on radio detection:

‘The power required in R.D.F. [Radio Direction Finding] systems and the echoing properties of various targets.’ A report from H. M. Signal School, Portsmouth, dated February 1941.

Report, ‘Material for prediction' (page 1 and cover missing), c. March 1941.

'A Note on the Optimum Wavelength for R.D.F. Performance’. A report from H.M. Signal School, Haslemere, dated May 1941.

Scope and Contents

The material consists of abstracts of patent specifications relating to work on radar. These were circulated by the Radio Board in 1944.

Scope and Contents

'Calculations of Echo Strength', no date. The material consists of a substantial typescript draft, 115 pages long, with diagrams, beginning 'This report is a theoretical contribution to the Sea Research'. Author unknown, in original binder.

Scope and Contents

The material consists of Correspondence and calculations relating to reflection by C.G. Darwin and 3 reports by N.F. Mott relating to the scattering power of aircraft and echoes, all dated 1940.

Scope and Contents

Correspondence and data, dated 1942. The material mainly relates to the influence of water vapour density.

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 and papers relating to hearings of the Royal Commission on Awards to Inventors, dated 1951-1952. The material Includes correspondence between Edward Appleton and E. G. Bowen and F.E. Smith, a typescript copy of Appleton's statement to the Commission (9 pages); a 1 page note on the importance of Appleton's giving evidence (no author); and 3 pages of typescript 'criticism' of 'evidence submitted by a radar syndicate to the commission…’ (author unknown, but probably by R....

Scope and Contents The material consists of the following correspondence and reports relating to radar work:Letter on American U.S.W. research from W. Ross, dated September 1944.Report on ‘Meteor Whistles…’ by H.V. Griffiths, received from the B.B.C., with a letter from A.P. Rowe to whom the report was forwarded, dated September 1944-0ctober 1944.Correspondence and reports on ‘Angels', and on radar echoes from birds, including A.O.R.G. [Army Operational Research Group ]...

Scope and Contents

Correspondence and reports, dated 1945. The material continues the research into ‘Angels’ or unidentified objects discussed in Coll-37/C.265. It consists of correspondence from W. S. Elliott (R.R.D.E. [Radar Research and Development Establishment]) also enclosing A.O.R.G. [Army Operational Research Group] Report 257 on 'Radar Echoes from Birds', by D.L. Lack; and 'Note on echoes of unidentified origin', by Edward Appleton, 2 page typescript, no date.