Moving coil galvanometer
circa 1890
High-sensitivity mirror galvanometer
circa 1920
unipivot galvanometer
1924
Vacuum manometer.
moving coil galvanometer made by Automatic Coil Winder Co. Ltd
1938
H. Tinsley & Co. moving coil galvanometer
1930
Moving coil galvanometer made in England
Siemens moving coil galvanometer
1888
Moving coil galvanometer made by British Thomson-Houston Ltd
Moving coil galvanometer
1924
Moving coil galvanometer made by Weston Electrical Instrument Corporation
1895
Moving coil galvanometer made by General Electric Co
1925
Evershed & Vignoles moving coil galvanometer
1955
Moving coil galvanometer made by Foster Instrument Co
1959
Galvanometer, made by English Electric Co. Ltd
1925
Marconi Instruments Ltd moving coil galvanometer
1955
Salford Electrical Instruments moving coil galvanometer
1910
Gambrell Brothers Ltd. moving coil galvanometer
1916
Everett, Edgcumbe and Company Limited moving coil galvanometer
1930
Weston Electrical Instrument Corporation moving coil galvanometer
1920
Metropolitan-Vickers moving coil galvanometer
1920
Paterson & Cooper moving coil galvanometer
1890
Moving coil galvanometer made by Evershed & Vignoles Ltd
1930
Moving coil galvanometer
Nalder Brothers and Co moving coil galvanometer
1897
Gambrell Brothers Ltd. moving coil galvanometer
1940
Moving coil galvanometer made by Herskine Heap and Co
1936
Moving coil galvanometer made by British Thomson-Houston Company Limited
1920
Moving coil galvanometer made by British Thomson-Houston Company Limited
1920
Moving coil galvanometer made by R.W. Paul
1910
Tungsram galvanometer
Moving coil galvanometer made by William Thomson
Moving coil galvanometer made by Cambridge Instruments Co
1924
Cambridge Instruments Co. galvanometer
1933
Moving coil galvanometer made by The Record Electrical Co. Ltd
1930
moving coil galvanometer
1943
Moving coil galvanometer
1955
Weston Electrical Instrument Corporation moving coil galvanometer
1910
Galvanometer contained in lidded wooden box
1911
Weston Electrical Instrument Corporation moving coil galvanometer
1914
Moving coil galvanometer
1932
Moving coil galvanometer
1940
Moving coil galvanometer manufactured by Metropolitan-Vickers Electrical Company Limited
1935
Moving coild galvanometer made by Weston Electrical Instrument Corporation
1905
moving coil galvanometer
1941
Cambridge Instr. Co. moving coil galvanometer
1928
Cambridge Instr. Co. moving coil galvanometer
1960
Moving coil galvanometer
1930
Ferranti Limited moving coil galvanometer
1930
Moving coil galvanometer made by Crompton and Company Limited
1910