Marconi thermionic triode valve

Made:
1943 in England
maker:
Marconiphone Company Limited
Marconi thermionic triode valve

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

Marconiphone thermionic triode valve with box

Details

Category:
Radio Communication
Object Number:
Y7001.682
Materials:
metal (unknown), glass, plastic (unidentified) and cardboard
Measurements:
Box containing valve
type:
triode valve and thermionic valve