magnetic key relay, 1900-1950

Made:
1900-1950 in Chelmsford

Magnetic key relay on wood base, made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950

Details

Category:
Radio Communication
Materials:
copper (alloy), metal (unknown) and wood (unidentified)
Identifier:
1959-215
type:
telegraph peripheral
taxonomy:
  • component - object
  • telegraph instrument
credit:
Lent by the Museum of the History of Science