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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
'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