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
Materials:
metal (unknown), plastic (unidentified), textile and wood (unidentified)
Identifier:
1959-236
type:
buzzer
taxonomy:
  • furnishing and equipment
  • sound device
credit:
Lent by the Museum of the History of Science