Type GF Telephone Relays

Made:
1915-1925 in United Kingdom
Type GF Telephone Relays

Type GF Telephone Relays
Science Museum Group
© The Board of Trustees of the Science Musuem

Type GF telephone relays in case, made by S. G. Brown Ltd, London.

Details

Category:
Telecommunications
Object Number:
Y1974.34.112
Materials:
copper (metal), fabric, metal (unknown) and wood (unidentified)
type:
relay
taxonomy:
  • component - object