Inventor's copy. Specification for letters patent. Improvements relating to the tuning of radio receiving sets

25 Jul 1939
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Production Date
25 Jul 1939
Other Name
Vern Butcher papers
Improvements relating to the tuning of radio receiving sets
Physical Description
3 pages
Media/Materials
Accession No
12/007/04
Credit Line
25 Jul 1939. Inventor's copy. Specification for letters patent. Improvements relating to the tuning of radio receiving sets, 12/007/04. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).
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