Image
Category
Collection
Maker
Object type
Place
Material
Date
Moving-coil milliammeter or universal indicator marked Griffin and George Ltd.

Moving-coil milliammeter or universal indicator marked Griffin and George Ltd.

1954-1980

Moving-coil milliammeter by the White Electrical Instrument Co. Ltd

Moving-coil milliammeter by the White Electrical Instrument Co. Ltd

1900-1983

Moving coil milliammeter

Moving coil milliammeter

1900-1910

Multi-range moving-coil ammeter

Multi-range moving-coil ammeter

1968

Moving-coil ammeter mounted on plastic desk stand

Moving-coil ammeter mounted on plastic desk stand

1974

Moving coil ammeter

Moving coil ammeter

1914

Moving coil ammeter  for radio frequency currents

Moving coil ammeter for radio frequency currents

Moving coil milliameter

Moving coil milliameter

1922-1929

moving coil ammeter with "petticoat" windings

moving coil ammeter with "petticoat" windings

Moving-coil thermocouple ammeter serial no.58732

Moving-coil thermocouple ammeter serial no.58732

1941

Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale

Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale

1955

Twin instrument comprising moving coil ammeter and moving coil voltmeter with a range-change switch

Twin instrument comprising moving coil ammeter and moving coil voltmeter with a range-change switch

Moving coil milliammeter

Moving coil milliammeter

Weston's direct-reading moving coil ammeter

Weston's direct-reading moving coil ammeter

Moving coil Ayrton-Perry Ammeter no.338

Moving coil Ayrton-Perry Ammeter no.338

Moving-coil ammeter of a commercial design modified by E.H.W. Banner

Moving-coil ammeter of a commercial design modified by E.H.W. Banner

1928

Moving-coil d.c. milliammeter model 505 serial no.800624

Moving-coil d.c. milliammeter model 505 serial no.800624

1944

Moving coil milliammeter

Moving coil milliammeter

1900-1939

Universal (moving-coil) meter model 83C serial no. AM27232, with a.c. and d.c. voltage and current ranges and resistance ranges, by Taylor Electrical Instruments Ltd., complete with pair of test leads

Universal (moving-coil) meter model 83C serial no. AM27232

1940-1960

Long scale moving coil milliammeter

Long scale moving coil milliammeter

1939-1945

Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale, model S.66 No. AA4209, by Sangamo Weston Ltd., Enfield, Middlesex, England. 10mA movement dropping 50mV (at terminals of leads), accurate to 0.1% of full scale, for use with external shunts. Fitted with levelling feet and built-in spirit level and mercury thermometer. With connecting leads, and printed calibration certificate dated 11 February 1953

Laboratory standard d.c. (moving-coil) ammeter with 12 inch scale

1953

Moving coil ammeter with core magnet

Moving coil ammeter

1939-1945

Portable moving-coil 3-inch recording voltmeter/ammeter type GR303/11 serial no. K9385/A1, by Record, speeds 1 inch and 6 inches per hour, ranges 75mV, 150mV, 9mA and 10mA

Portable moving-coil 3-inch recording voltmeter/ammeter

1960-1979

E.B.L. Testing Set, consisting of a moving-coil ammeter with 1A and 5A shunts and a moving-coil voltmeter with 3V, 30V and 150V ranges, serial no. D75150, marked Marconi but made by Elliott Bros. dated 1939

E.B.L. Testing Set with moving-coil ammeter

1939