Marconi thermionic triode valve

Made:: 1943 in England

maker:: Marconiphone Company Limited

Marconi thermionic triode valve
Science Museum Group
© The Board of Trustees of the Science Musuem

Marconiphone thermionic triode valve with box

Details

Category:: Radio Communication

Object Number:: Y7001.682

Materials:: metal (unknown), glass, plastic (unidentified) and cardboard

Measurements:: Box containing valve

type:: triode valve and thermionic valve

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Marconi thermionic triode valve

Details

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