Marconi thermionic triode valve

Made:
1940 in England
Marconi thermionic triode valve

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

Marconi thermionic triode valve VMS4

Details

Category:
Radio Communication
Object Number:
Y7001.604
Materials:
glass, plastic (unidentified) and metal (unknown)
Measurements:
overall: 135 mm 42 mm,
type:
thermionic valve and triode valve