Mazda triode valve

maker:
British Thomson-Houston Company Limited
Mazda triode valve

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

Mazda triode valve A12 Type no. Mazda. PPE/425

Details

Category:
Radio Communication
Object Number:
Y1984.48.11.2
Materials:
glass, plastic (unidentified) and metal (unknown)
Measurements:
overall: 117 mm 55 mm,
type:
triode valve
credit:
Gift of Dr. G. R. Airth