Collection

Metropolitan-Vickers Cosmos thermionic triode valve

Made:: 1925 in England

maker:: Metropolitan-Vickers Electrical Company Limited

Metropolitan-Vickers Cosmos thermionic triode valve

Metropolitan-Vickers Cosmos thermionic triode valve
Science Museum Group
© The Board of Trustees of the Science Musuem

Metropolitan-Vickers Cosmos thermionic triode valve SP 55 Red

Details

Category:: Radio Communication

Object Number:: Y7001.909

Materials:: glass, metal (unknown) and bakelite

Measurements:: overall: 113 mm 46 mm,

type:: triode valve and thermionic valve

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