Differential galvanometer

Made:
1870-1873
Differential Galvanometer by O & F.H. Varley for cable testing.

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Differential Galvanometer by O & F.H. Varley for cable testing.
Science Museum Group
© The Board of Trustees of the Science Museum

Differential Galvanometer by O & F.H. Varley for cable testing.

Details

Category:
Electricity and Magnetism
Object Number:
1931-714
type:
galvanometers
credit:
Imperial & International Communications Ltd.