Mullard triode valve, tetrode

Made:
1930 in England
Mullard triode valve, tetrode

Mullard triode valve, tetrode
Science Museum Group
© The Board of Trustees of the Science Musuem

Mullard triode valve, A42; Type no. PM12; Tetrode

Details

Category:
Radio Communication
Object Number:
Y1984.48.42
Materials:
glass, metal (unknown) and plastic (unidentified)
type:
triode valve
taxonomy:
  • object genre
  • component parts
  • electrical component
  • component - object
credit:
Gift of Dr. G. R. Airth