Galvanometer, no 1550

Made:
London
maker:
Robert William Paul
Galvanometer, no 1550, patent, by Robt. W. Paul, London, N.

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Galvanometer, no 1550, patent, by Robt. W. Paul, London, N.
Science Museum Group
© The Board of Trustees of the Science Museum

Galvanometer, no 1550, patent, by Robt. W. Paul, London, N.

Details

Category:
Telecommunications
Object Number:
1989-1104
type:
paul
credit:
Muirhead Vactric Components Limited