Correspondence
Found in 526 Collections and/or Records:
Correspondence from P.O. Pedersen, M.L. Phillips and J.A. Pierce to Edward Appleton, 1931, 1947 and no date
The material consists of Correspondence from P.O. Pedersen to Edward Appleton, dated 22 April 1931; from M. L. Phillips to Appleton, no date; and from J. A. Pierce (from Harvard) to Appleton, dated 17 December 1947.
Correspondence from R. Clavel to Edward Appleton, 1930
Correspondence from R. Clavel to Edward Appleton, dated 1930.
Correspondence from R. Naismith to Edward Appleton, 1938-1940, 1949
Correspondence from R. Naismith to Edward Appleton, dated 1938-1940, 1949. The material includes data and correspondence with J.R. Ashworth.
Correspondence from R. Naismith to Edward Appleton, 1934
Correspondence from R. Naismith to Edward Appleton, dated 1934. The material includes a sequence of notes, dated 5 April and identified A-P, of points arising from results on critical frequency. Appleton‘s remarks appear at the head of each note, with Naismith's answer or comment below.
Correspondence from R. Naismith to Edward Appleton, 1935-1937
Correspondence from R. Naismith to Edward Appleton, dated 1935-1937. The material includes data and drafts, some with additional notes by L.J. Ingram.
Correspondence from R. Naismith to Edward Appleton, 1938
The material consists of correspondence from R. Naismith to Edward Appleton, dated 1938.
Correspondence from R. Naismith to Edward Appleton, 1939
Correspondence from R. Naismith to Edward Appleton, dated 1939. The material Includes data, comments on papers and discussion meetings, and also letters from F.W.G. White on ionospheric research in New Zealand.
Correspondence from R. Naismith to Edward Appleton, 1940
Correspondence from R. Naismith to Edward Appleton, dated 1940. The material includes data, graphs, comments on results, two short reports on magnetic storms (April), report on 'ionospheric discussion' (November), and also a letter and data on sunspots from H.W. Newton.
Correspondence from R. Naismith to Edward Appleton, 1941
Correspondence from R. Naismith to Edward Appleton, dated 1941. The material consists of correspondence and data up to July only.
Correspondence from R. Naismith to Edward Appleton, 1943, 1980
Correspondence from R. Naismith to Edward Appleton, dated 1943. The material includes a draft report on 'Radio Communication over high latitudes' (February), and a letter and graphs on noon values (August). This has a note appended by Dr. J. King (1980) 'This letter shows that Appleton was aware in mid-1943 that the foF2 values around latitude 30°N were abnormally high. For more details see also letter from Naismith dated 11/X/1944’ (in Coll-37/E.79)