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Cathode and grid, for a demountable tetrode valve

Cathode and grid, from a demountable tetrode valve, type 43 E3, by Metropolitan-Vickers Electrical Co. Ltd., Trafford Park, Trafford, Manchester, Cheshire, England, 1939. The demountable tetrode valve was part of a Chain Home Transmitter.
Details
- Category:
- Radio Communication
- Object Number:
- 1948-208/3
- Materials:
- metal (unknown)
- type:
- cathode
- credit:
- Air Ministry (Air Historical Branch)