Marconi Osram thermionic triode valve

Made:
1925 in England
Marconi Osram thermionic triode valve

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

Marconi Osram thermionic triode valve

L S 5

Details

Category:
Radio Communication
Object Number:
Y7001.776
Materials:
glass and metal (unknown)
Measurements:
overall: 116 mm 54 mm,
type:
thermionic valve and triode valve