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.

3 letters from Wilhelm Altar to Edward Appleton, dated March 1926-May 1926. The material relates to research in progress and was written after a visit by Appleton to Vienna.

3 notes by Edward Appleton regarding solar noise. The file contains 'Comments by R.E. Burgess on note entitled “Calculation of Solar Noise Developed in Radio System", by Sir Edward Appleton’, 2 page typescript, dated 19 September 1945; Note by Appleton, ‘”Non-black body” radiation from the sun', 4 page typescript, dated 24 September 1945; and ‘Notes on Meeting Saturday 12 January 1946', 2 page typescript account of research and papers in hand (not all concerned with 'Solar Noise').

3 notes for lectures and a speech by Edward Appleton. The material consists of 'The organization and work of the Department of Scientific and Industrial Research', the 39th May lecture to the Institute of Metals by Edward Appleton, 1949, offprint only; notes and information for a lecture on cable and wireless, August 1949; and Appleton’s speech to the International Council for the Exploration of the Sea, October 1949, 7 pages, typescript.

3 notes for lectures and an address by Edward Appleton. The material consists of a speech to the S.S.C. (Solicitors before the Supreme Courts) Society, October 1950, 4 pages, typescript; address to General Council, University of Edinburgh, October 1950, 24 pages, typescript; and speech at reception for Overseas Students, November 1950, 5 pages, typescript.

The material consists of 'Science and Industry', a broadcast talk for schools on the Scottish Home Service, April 1957, 9 pages, typescript and manuscript; Speech at unveiling of Syme-Lister plaque, June 1957, 3 pages, typescript; and 'The International Geophysical Year', a talk broadcast on the B.B.C. Home Service, June 1957, 3 pages, typescript.

The material consists of Edward Appleton's notes for Speech at U.R.S.I. [Union Radio-Scientifique Internationale] meeting in America, August 1957, 7 pages, typescript; 'Science and the Satellite', October 1957, 6 pages, typescript and manuscript; and 'The Significance of the Satellite', an article for the Edinburgh Evening News, November 1957, 5 pages typescript.

3 notes for speeches and lecture by Edward Appleton. The material consists of inner speech for Commerce Graduates, February 1956, 5 pages, typescript; Dinner speech at Pipe Band Contest, May 1956, 6 pages, typescript; and ‘Some Developments in Radio Science’, a slide lecture to Royal Society of Engineers in Antwerp, September 1956, 14 pages, typescript.

3 notes for speeches by Edward Appleton. The material consists of speech to Conference of Registrars, April 1950, 11 pages, typescript (some pages missing); speech at lunch for André Siegfried, May 1950; 4 pages, typescript; and speech to P. E. N. Club, August 1950, 8 pages, typescript and manuscript.

The material consists of Speech for Soviet Cultural Delegation, October 1956, 3 pages, typescript; Speech at dinner for French Institute, December 1956, 5 pages, typescript; and Speech for Graduation Ceremony, 7 pages typescript.