Hivac triode valve

Made:: 1930s in England

maker:: Hivac Limited

Hivac triode valve, Miniature triode for hearing aid

Details

Category:: Radio Communication

Object Number:: Y1984.48.109.2

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

Measurements:: overall: 64 mm 17 mm,

type:: triode valve

credit:: Gift of Dr. G. R. Airth

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Hivac triode valve

Details

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