8 page typescript version of 'Some Notes on F₂ layer Anomalies', with an additional 12th point, missing from the manuscript. The material is undated but it was circulated on 17 November 1947.

11 pages of notes on integrals. These were sent with a covering note November 1935 by G. Cook, and originally tucked into notebook Coll-37/B.27.

14 page manuscript draft for paper on various aspects of F₂ Layer. The latest reference in the material is 1939.

Original folder containing '1958-62 Values of fF₂ midnight equinox', and later charts dated 'Easter 1964 for r(fF₂)'. A full list of the contents is written on the folder cover.

'A note on ionospheric storm phenomena' and ‘Appendix of supplementary notes’, dated October 1952. The material was possibly prepared by Edward Appleton for a U.R.S.I. [Union Radio-Scientifique Internationale] meeting.

These files consist of the contents of a folder so described by Sir Edward Appleton.

This sub series consists of 30 files containing photographs of Edward Appleton, colleagues and friends, from his school days in 1900s to the 1960s.

The material consists of an album of photographs relating to a conference, equipment, etc. in Italy. It also includes some loose photographs.

‘Anomalous Diurnal Behaviour in F₂ Layer Ionisation'. The material consists of 4 pages of notes, drafts, ideas and calculations, no date, perhaps c.1960.

The material consists of 3 files of instructions by Edward Appleton for his collaborators assistants, dated 1953-1964.