Marconi thermionic triode valve

Made:
1927 in England
Marconi thermionic triode valve

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Science Museum Group
© The Board of Trustees of the Science Museum

Marconi thermionic triode valve

D. E. R.

Details

Category:
Radio Communication
Object Number:
Y7001.707
Materials:
glass, metal (unknown) and plastic (unidentified)
Measurements:
overall: 97 mm 44 mm,
type:
thermionic valve and triode valve