Marconi thermionic triode valve

Made:: 1923 in England

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

L. S. 2 C. 9903

Details

Category:: Radio Communication

Object Number:: Y7001.673

Materials:: glass and metal (unknown)

Measurements:: overall: 112 mm 57 mm,

type:: thermionic valve and triode valve

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Marconi thermionic triode valve

Details

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