British Thomson-Houston thermionic triode valve

Made:
1928 in England
maker:
British Thomson-Houston Company Limited
British Thomson-Houston thermionic triode valve

British Thomson-Houston thermionic triode valve
Science Museum Group
© The Board of Trustees of the Science Musuem

British Thomson-Houston thermionic triode valve

Details

Category:
Radio Communication
Object Number:
Y7001.875
Materials:
glass and metal (unknown)
Measurements:
overall: 104 mm 32 mm,
type:
thermionic valve and triode valve