Marconi thermionic triode valve

Made:: 1925 in England

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

D. E. R. L28766

Details

Category:: Radio Communication

Object Number:: Y7001.705

Materials:: glass and metal (unknown)

Measurements:: overall: 103 mm 43 mm,

type:: triode valve and thermionic valve

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Marconi thermionic triode valve

Details

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