Inventor's copy. Specification for letters patent. Improvements relating to the tuning of radio receiving sets
Production date
25 Jul 1939
Object detail
Accession number
12/007/04
Media/Materials
Physical description
3 pages
Other title
Vern Butcher papers
Improvements relating to the tuning of radio receiving sets
Improvements relating to the tuning of radio receiving sets
Record level
Item
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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