Image
Category
Collection
Maker
Object type
Place
Material
Date

Ferranti Ammeter

1950-1960

Duddell's Patent thermo-ammeter

A.C. ammeter model 155

Hot wire ammeter

Ammeter graduated to 100 amperes

1887

First direct reading moving needle ammeter, 1883

1883

Moving magnet milliammeter

1900-1920

Microammeter

Dead beat hot wire ammeter

Ammeter, moving iron

366B aerial ammeter (M.F.) no. 2715

Hot wire ammeter

Ammeter, 5A, in mahogany case

1900-1959

Moving-magent microammeter `microid' pattern

1900-1926

Portable ammeter no.9865 - 1898 0-15, 0-75amps

Ammeter/voltmeter n.277 - 1882, .5amp, 3.5v.

H.F. ammeter (0.2)

ammeter, Siemens torsion type

Ammeter no.15740 - 1902, 0-10, 0-40amps

1902

Ferranti ammeter

Ferranti ammeter

Ferranti type LMk2 ammeter

Ferranti type V2015 ammeter

Ferranti Ammeter

1940-1960

Ferranti type AA25 ammeter

circa 1974

Ferranti type MIN F4 ammeter

circa 1958

Ferranti type MINF32 ammeter

Ferranti Milliammeter

1930-1950

Ferranti ammeter

Ferranti Ammeter

1940-1960

Siemens ammeter

circa 1900

Ferranti ammeter

Ferranti ammeter

electro-magnetic current meter

1910

The British Westinghouse Company ammeter

moving coil ammeter

1910

moving coil milliameter

circa 1942

polarized iron ammeter

circa 1888

moving coil ammeter

1890

Ammeter by Schuckert

7-range clip-on ammeter

Hartman and Braun ammeter no.9382 scaled 0-800A

1890

Crompton 6" ammeter no.62214 - c.1916, 0 - 15amps.

Crompton portable ammeter no.9614 - c.1899

ammeter, prototype - 1884 15-40amps

Crompton multi-range milli-ammeter

Thermocouple ammeter

1937

Ammeter, 0-50, 0-150 amps

First alternating current magnifying strip spring ammeter

1888

Ammeter for arc supply.