Mullard thermionic triode valve

Made:
1923 in England
Mullard thermionic triode valve

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

Mullard thermionic triode valve

Details

Category:
Radio Communication
Object Number:
Y7001.972
Materials:
glass, metal (unknown) and bakelite
Measurements:
overall: 104 mm 48 mm,
type:
thermionic valve and triode valve