Marconi Osram thermionic triode valve

Made:
1927 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

D.E.H. 610

Details

Category:
Radio Communication
Object Number:
Y7001.703
Materials:
glass, plastic (unidentified) and metal (unknown)
Measurements:
overall: 102 mm 43 mm,
type:
thermionic valve and triode valve