Single turn tangent galvanometer
1837-1899
Moving magnet galvanometer with upright graduated metal disc
1875-1949
Reflecting galvanometer
1900-1940
Sensitive suspended-coil galvanometer fitted with pointer and mirror
1943-1980
`Nivoc' tangent galvanometer by F.E. Becker & Co. Ltd.
1900-1945
Tangent galvanometer
1900-1945
Tangent galvanometer by W.G. Pye and Co.
1896-1965
Linesman's galvanometer in leather carrying case
G N T galvanometer relay no. 9435
Centre-zero moving-coil galvanometer marked Harris
1943-1980
Sensitive suspended-coil pointer galvanometer fitted with levelling feet
1900-1980
Stewart and Gee's tangent galvanometer with sliding compass box
1877-1904
Single-coil sine galvanometer
1840-1877
Einthoven 6-string galvanometer
1918
Horizontal moving magnet galvanometer marked on the dial "The International Correspondence Schools
Centre-zero moving coil galvanometer by Philip Harris Ltd.
1943-1980
Moving-coil galvanometer "Microid Adaptable" pattern by Griffin and Tatlock
1932-1954
Compass box for tangent galvanometer
1901-1970
Compass box for tangent galvanometer
1901-1970
Suspended-coil pointer galvanometer No.2092 by Philip Harris Ltd.
1943-1974
Centre-zero moving coil pointer galvanometer by Philip Harris Ltd.
1943-1974
Centre-zero moving-coil galvanometer sold by Philip Harris Ltd.
1943-1980
Galvanometer, Spot
1900-1980
Unipivot galvanometer
Early d'Arsonval galvanometer made by Carpentier
1882-1900
Moving magnet gravity control "detector" galvanometer with 2
Plug type bridge box and galvanometer
Plug type bridge box and galvanometer
Ballistic galvanometer
Astatic needle galvanometer
1840-1877
Kelvin astatic mirror galvanometer
1901-1913
Siemens experimental galvanometer
1900
Astatic galvanometer by Elliott Brothers, 1872.
1872
Kohlrausch Galvanometer
1900
Student type tangent galvanometer
Suspended moving magnet galvanometer of Siemens manufacture
Astatic galvanometer by Kleiner, Berlin
Duddell's thermo-galvanometer
1900
Four-coil Thomson astatic galvanometer
1880
Early d'Arsonval type galvanometer
1882-1900
Thomson's reflecting galvanometer
1864-1887
Ballistic galvanometer by the Cambridge Instrument Co. Ltd.
1940
Ballistic galvanometer no.N1573
1943
Suspended-coil pointer galvanometer
Duddell thermo-galvanometer
1906
Portable box-type double-reflecting galvanometer
1970
Ayrton-Mather moving coil galvanometer no. L-49707
1930-1935
Paul extra sensitive Galvanometer
1900-1919
Ayrton Mather galvanometer
Moving-coil galvanometer
1961