High-sensitivity mirror galvanometer
circa 1920
Moving coil galvanometer
circa 1890
unipivot galvanometer
1924
Gambrell Brothers Ltd. moving coil galvanometer
1916
Gambrell Brothers Ltd. moving coil galvanometer
1940
Ferranti Limited moving coil galvanometer
1930
Moving coil galvanometer made in England
Ferranti Limited moving coil galvanometer
1950
Moving coil galvanometer made by Robert Paul Instrument Co
1911
moving coil galvanometer
Everett, Edgcumbe and Company Limited moving coil galvanometer
1950
Everett, Edgcumbe and Company Limited moving coil galvanometer
1930
Cambridge Instruments Co. galvanometer
1933
moving coil galvanometer
1941
Cambridge Instr. Co. moving coil galvanometer
1928
moving coil galvanometer
1940
moving coil galvanometer made by Price and Belsham Ltd
1929
Moving coil galvanometer made by Elliott Bros Ltd
1925
Moving coil galvanometer made by Everett
1930
Moving coil galvanometer made by Weston Electrical Instrument Corporation
1895
Weston Electrical Instrument Corporation moving coil galvanometer
1920
Tungsram galvanometer
Cambridge Instr. Co. moving coil galvanometer
1960
Moving coil galvanometer made by British Thomson-Houston Company Limited
1920
Moving coil galvanometer
1932
Moving coil galvanometer manufactured by Metropolitan-Vickers Electrical Company Limited
1935
Moving coil galvanometer made by Herskine Heap and Co
1936
Galvanometer contained in lidded wooden box
1911
Elliott Bros moving coil galvanometer
1928
Moving coil galvanometer made by Foster Instrument Co
1959
moving coil galvanometer
Weston Electrical Instrument Corporation moving coil galvanometer
1937
Weston Electrical galvanometer
1923
moving coil galvanometer made by Elliott Bros Ltd
1928
Galvanometer in a Wooden Chest
1905
Galvanometer, made by English Electric Co. Ltd
1925
moving coil galvanometer made by Automatic Coil Winder Co. Ltd
1938
Siemens moving coil galvanometer
1888
Salford Electrical Instruments moving coil galvanometer
1910
Marconi Instruments Ltd moving coil galvanometer
1955
Moving coil galvanometer made by General Electric Co
1925
Moving coil galvanometer
1920
Moving coil galvanometer
1930
Nalder Brothers and Co moving coil galvanometer
1897
Moving coil galvanometer made by William Thomson
moving coil galvanometer
1943
Moving coil galvanometer made by British Thomson-Houston Ltd
Moving coil galvanometer made by Weston Electrical Instrument Corporation
1900
Moving coil galvanometer
1910