Telephone relay

Made:
1915-1925 in London
Telephone relay

Telephone relay
Science Museum Group
© The Board of Trustees of the Science Musuem

Telephone relay, made by S. G. Brown Ltd, London.

Details

Category:
Telecommunications
Object Number:
Y7001.229
Materials:
wood (unidentified), metal (unknown) and copper (alloy)
Measurements:
overall: 140 mm x 102 mm x 57 mm,
type:
relay