Showing Records: 1 - 4 of 4
Items on wartime radar, c. 1939-1945
File
Identifier: Coll-37/C.270
Scope and Contents
Items on wartime radar. The material consists of press-cuttings on radar; photographs taken in 1944 by the R.R.D.E. [Radar Research and Development Establishment] at Beachy Head; Chart of German North Sea stations; and German report on radio technique, dated May 1940.
Dates:
c. 1939-1945
Magneto-Ionic Theory, c. 1925-1943
Sub-Series
Identifier: Coll-37/C.199-C.221
Scope and Contents
This sub-series contains 23 files relating to Magneto-Ion Theory, c.1925. With the exception of Coll-37/C.221, the material was crammed into a bulky folder inscribed 'Some observations on the polarization of downcoming wireless waves'. The folder also has a later note ‘Magneto-Ionic Theory' by C. S. Gillmor, to whom is also owed the identification of W. Altar (see Coll-37/C.214-C.216). Appleton's own notes and drafts, which are almost never dated, appear at Coll-37/C.199-C.213....
Dates:
c. 1925-1943
Notes, narratives and calculations by Wilhelm Altar, no date
File
Identifier: Coll-37/C.216
Scope and Contents
Notes, narratives and calculations by Wilhelm Altar, no date. The material consists of 5 bundles of notes and 2 photographs.
Dates:
no date
'Wellenausbreitung in ionisierten Gasen unter dem Einfluss eines Magnetfelds', c.1925-1926, 1978
File
Identifier: Coll-37/C.215
Scope and Contents
'Wellenausbreitung in ionisierten Gasen unter dem Einfluss eines Magnetfelds'. The material consists of a manuscript narrative and calculations by Wilhelm Altar, variously paginated. Professor C.S. Gillmor described this document as 'very important for the history of the ionosphere' and gave its date as 'late 1925 - early 1926' in a private communication on 4 December 1978. The document was registered for copyright by Dr Altar, 1978. There are brief notes by Appleton on the title sheet and 2...
Dates:
c.1925-1926, 1978