Buzzer key, 1900-1950

Made:
1900-1950 in Chelmsford
1959-236: Coil type testing buzzer in wood box 1959-236: Coil type testing buzzer in wood box 1959-236: Coil type testing buzzer in wood box 1959-237: Small buzzer key on wood base Small buzzer key on wood base Small buzzer key on wood base Small buzzer key on wood base

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License this image for commercial use at Science and Society Picture Library

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1959-236: Coil type testing buzzer in wood box
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

1959-236: Coil type testing buzzer in wood box
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

1959-236: Coil type testing buzzer in wood box
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

1959-237: Small buzzer key on wood base
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

Small buzzer key on wood base
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

Small buzzer key on wood base
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

Small buzzer key on wood base
On loan from the Museum of the History of Science|Enquiries to Science Museum, London

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

Details

Category:
Radio Communication
Object Number:
1959-237
Materials:
wood (unidentified), metal (unknown) and plastic (unidentified)
Measurements:
overall: 94 mm x 62 mm x 38 mm, .1 kg
type:
buzzer
credit:
Lent by the Museum of the History of Science