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
- Object Number:
- 1959-215
- Materials:
- copper (alloy), wood (unidentified) and metal (unknown)
- Measurements:
-
overall: 86 mm x 160 mm x 133 mm, 2.1 kg
- type:
- telegraph peripheral
- credit:
- Lent by the Museum of the History of Science