All-in-one galvonometer by Pifco Ltd
circa 1932
reflecting astatic moving iron galvanometer
circa 1920
Moving Coil Galvanometer by H. Tinsley & Co. Ltd
1920
Moving iron galvanometer, 1955
1955
Scottish Aviation Ltd moving iron galvanometer
1910
Moving iron galvanometer made by Hartmann & Braun
1890
Ferranti Limited moving iron galvanometer
1930
J White moving iron galvanometer
1896
Nalder Brothers and Co moving iron galvanometer
1904
Ferranti Limited moving iron galvanometer
1901
James Waller moving iron galvanometer
1905
Evershed & Vignoles moving iron galvanometer
Moving iron galvanometer made by Nalder Bros & Thompson
Moving iron galvanometer made by Bertram Thomas Ltd
Crompton Parkinson moving iron galvanometer
1935
Whitney Electrical Instrument Co. moving iron galvanometer
1905
Hartmann & Braun moving iron galvanometer
1910
The British Westinghouse Electrical and Manuf. Co. moving iron galvanometer
1915
Moving iron galvanometer made by Ferranti Ltd
1930
moving iron galvanometer
1905
Moving iron galvanometer
1945
Stanley moving iron galvanometer
1905
Moving iron galvanometer made by Elliott Bros Ltd
1920
Moving iron galvanometer made by Drake and Gorham Ltd
1910
Moving iron galvanometer made by Weir Electrical Instrument Co
1941
Moving iron galvanometer made by Metropolitan-Vickers Electrical Company Limited
1940
moving iron galvanometer
Muirhead and Company Limited moving iron galvanometer
1890
Moving iron galvanometer
1950
Hartmann & Braun moving iron galvanometer
Weston Electrical Instrument Corporation moving iron galvanometer
1904
Moving Iron Galvanometer- Glass cylinder on a wooden round base
Metropolitan-Vickers Electrical Company Limited moving iron galvanometer
1940
Elliott Bros moving iron galvanometer
1925
Moving iron galvanometer, 1895
1895
Associated Electrical Industries Ltd moving iron galvanometer
1940
Crompton and Company Limited moving iron galvanometer
1907
moving iron galvanometer made by Hartmann & Braun
1885
moving iron galvanometer made by Paterson & Cooper
1883
Moving iron galvanometer made by Nalder Brothers & Co
1905
Waller moving iron galvanometer
1920
Ammeter
1925
moving iron galvanometer
1910
Moving iron galvanometer made by Nalder Bros & Thompson
1930
Moving iron galvanometer made by Metropolitan-Vickers Electrical Company Limited
1945
General Electric Co moving iron galvanometer
1920
Moving iron galvanometer made by Crompton and Company Limited
1930
moving iron galvanometer made by Siemens Brothers & Co
1910
Moving iron galvanometer
1941
Moving iron galvanometer made by General Electric Co. Ltd
1940