Standard Radio Quartz Plate valve

Made:
1952 in United Kingdom

Standard Radio quartz plate valve D22

Details

Category:
Radio Communication
Object Number:
Y1984.48.257
Materials:
glass, metal (unknown) and plastic (unidentified)
type:
valve
taxonomy:
  • object genre
  • component parts
  • mechanical component
credit:
Gift of G. R. Airth