Panel comprising no 1 power magnifier of short wave beam (SWB1) telegraph transmitter no. 7 (Dorchester) restored to approximate original (1927) configuration in c. 1970, made by Marconi's Wireless Telegraph Company, Chelmsford, Essex, England, 1927
- Radio Communication
- Object Number:
Main Unit: 2080 mm x 1700 mm x 1800 mm,
Copper base: 5 mm x 1750 mm x 1930 mm,
- radio transmitter
- component - object
- Donated by the General Post Office
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