Baseboard with single-current key galvanometer relay

Baseboard with single-current key galvanometer relay and pony sounder

Details

Category:
Telecommunications
Object Number:
1926-118
type:
baseboard

Parts

Baseboard with single-current key galvanometer relay

Baseboard with single-current key galvanometer relay

Baseboard with single-current key galvanometer relay and pony sounder, W. Drury, Holloway, London.

Materials:
wood (unidentified) and metal (unknown)
Object Number:
1926-118/1
type:
baseboard
Image ©
The Board of Trustees of the Science Museum
Cover from baseboard with single-current key galvanometer relay

Cover from baseboard with single-current key galvanometer relay

Cover from baseboard with single-current key galvanometer relay and pony sounder, W. Drury, Holloway, London.

Materials:
wood (unidentified)
Object Number:
1926-118/2
type:
cover
Image ©
The Board of Trustees of the Science Museum

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