Correspondence
Found in 1354 Collections and/or Records:
Correspondence from W.R. Piggott to Edward Appleton, 1948
Correspondence from W.R. Piggott to Edward Appleton, dated 1948. The material includes data and photographs.
Correspondence from W.R. Piggott to Edward Appleton, c. 1949
Correspondence from W.R. Piggott to Edward Appleton, mostly dated 1949 however some of the material is undated.
Correspondence from W.R. Piggott to Edward Appleton, 1951
Correspondence from W.R. Piggott to Edward Appleton, dated 1951. The material includes data, graphs, and a letter from F. Ranzi.
Correspondence from W.R. Piggott to Edward Appleton, 1954-1955, 1959
Correspondence from W.R. Piggott to Edward Appleton, dated 1954-1955 and 1959.
Correspondence from W.R. Piggott to Edward Appleton, 1939-1940
Correspondence from W.R. Piggott to Edward Appleton, dated 1939-1940. Enclosed with the material is data and reports on research.
Correspondence from W.R. Piggott with Edward Appleton, 1948-1949
Correspondence from W.R. Piggott with Edward Appleton, dated 1948-1949. The material relates to research and publications, and is enclosed with data, graphs, etc.
Correspondence from W.S. Chalmers to Edward Appleton, 1947
Correspondence from W.S. Chalmers to Edward Appleton. The material includes a paper on ionospheric characteristics in Chungking.
