Moving-coil milliammeter by the White Electrical Instrument Co. Ltd
1900-1983
Moving-coil milliammeter or universal indicator marked Griffin and George Ltd.
1954-1980
Moving coil milliammeter
1900-1910
Moving-coil ammeter mounted on plastic desk stand
1974
Multi-range moving-coil ammeter
1968
Moving coil ammeter
1914
moving coil ammeter with "petticoat" windings
Moving coil milliameter
1922-1929
Twin instrument comprising moving coil ammeter and moving coil voltmeter with a range-change switch
Moving-coil thermocouple ammeter serial no.58732
1941
Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale
1955
Moving coil milliammeter
Moving coil Ayrton-Perry Ammeter no.338
Moving coil ammeter for radio frequency currents
Moving-coil d.c. milliammeter model 505 serial no.800624
1944
Moving-coil ammeter of a commercial design modified by E.H.W. Banner
1928
Weston's direct-reading moving coil ammeter
Moving coil milliammeter
1900-1939
Universal (moving-coil) meter model 83C serial no. AM27232
1940-1960
Long scale moving coil milliammeter
1939-1945
Moving coil ammeter
1939-1945
Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale
1953
Portable moving-coil 3-inch recording voltmeter/ammeter
1960-1979
E.B.L. Testing Set with moving-coil ammeter
1939