Marconiphone pentode valve

Made:
1933 in England
maker:
Marconiphone Company Limited
Marconiphone pentode valve

Marconiphone pentode valve
Science Museum Group
© The Board of Trustees of the Science Musuem

Box containing Marconi valve

Possibly Type 6J7

Details

Category:
Radio Communication
Object Number:
Y7001.680
Materials:
cardboard, glass, metal (unknown) and plastic (unidentified)
type:
valve
taxonomy:
  • component - object
  • object genre
  • component parts
  • mechanical component