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From Federal Telephone and Telegraph, some audio equipment that applies to radio, viz: Head Telephones (aka headset), amplifiers, battery units, terminal blocks, microphones, transformers, jacks, plugs etc. Also crystal radio sets. Published in the October, 1922 issue of RADIO NEWS.
Source: Magazine collector Steve Davis
Restoration by: magscanner
- Created on
- Wednesday 30 December 2009
- Posted on
- Wednesday 30 December 2009
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