Coil type testing buzzer, 1900-1950
- Made:
- 1900-1950 in Chelmsford
Coil type testing buzzer in wood box, made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950
Details
- Category:
- Radio Communication
- Object Number:
- 1959-236
- Materials:
- plastic (unidentified), metal (unknown), textile and wood (unidentified)
- Measurements:
-
overall: 125 mm (plus 180mm wire) x 100 mm x 60 mm, 0.408 kg
- type:
- buzzer
- credit:
- Lent by the Museum of the History of Science
