Buzzer key, 1900-1950

Made:
1900-1950 in Chelmsford

Small buzzer key on wood base, made by Marconi's Wireless Telegraph Company, Chelmsford, Essex, England, 1900-1950

Details

Category:
Radio Communication
Materials:
metal (unknown), plastic (unidentified) and wood (unidentified)
Identifier:
1959-237
type:
buzzer
taxonomy:
  • furnishing and equipment
  • sound device
credit:
Lent by the Museum of the History of Science