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Siemens galvanometer, c. 1890.

Telecommunications

1885-1895

D'Arsonval Galvanometer no. 151668, by Muirhead an

Telecommunications

1947

Galvanometer suspension type D-29-S, no. 138814, b

Telecommunications

D'Arsonval galvanometer no. 4896 by Nalder Brother

Telecommunications

Galvanometer, circular wooden case with metal lugs

Surgery

1900-1910

Differential galvanometer, Post Office pattern

Telecommunications

Spot galvanometer, by the Cambridge Instrument Co.

Telecommunications

Moving-magnet mirror galvanometer no. 5685, by Nal

Telecommunications

Astatic mirror galvanometer, no. 16250, by Muirhea

Telecommunications

Galvanometer, no 1550, patent, by Robt. W. Paul, L

Telecommunications

Galvanometer reversing switch, No. 42702, by Muirh

Telecommunications

D'Arsonval galvanometer no. 151667, by Muirhead an

Telecommunications

1947

Edelmann's absolute dynamometer including two loos

Electricity and Magnetism

1876

Galvanometer, magnetic needle type, wooden base, m

Therapeutics

1900-1920

Galvanometer for use with thermocouple, by A. Gaif

Therapeutics

1898

Cambell vibration Galvanometer

Electricity and Magnetism

1913

Galvanometer

Radio Communication

1920s