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Weston moving-coil ammeter, 1889-1900

Weston moving-coil ammeter, 1889-1900

1889-1900
Galvanometer, circular wooden case with metal lugs for securing to bench

Galvanometer, circular wooden case with metal lugs for securing to bench

1900-1910
Galvanometer for use with thermocouple

Galvanometer for use with thermocouple

1898
Combined voltmeter and ammeter

Combined voltmeter and ammeter

1900-1910
Small galvanometer string

Small galvanometer string

1934
Spot galvanometer

Spot galvanometer

1949-1960
Smiths combined water temperature gauge

Smiths combined water temperature gauge

1966
Raworth's patent ammeter (510 amps)

Raworth's patent ammeter (510 amps)

1888
A.C milliammeter for X-ray focus tube

A.C milliammeter for X-ray focus tube

1904
A.C. milliammeter, by A. Gaiffe, PAris, 1900-1910

A.C. milliammeter, by A. Gaiffe, PAris, 1900-1910

1900-1910
A.C. milliammeter, by A. Gaiffe, Paris, 1900-1910

A.C. milliammeter, by A. Gaiffe, Paris, 1900-1910

1900-1910
Kapp & Crompton's current indicator (ammeter) no.223 by Crompton & Co.

Kapp & Crompton's current indicator (ammeter) no.223 by Crompton & Co.

1883
Voltmeter and ammeter indicating the direct pull of a solenoid and tubular core

Voltmeter and ammeter indicating the direct pull of a solenoid and tubular core

Moving coil galvanometer, designed by D'Arsonval, modified from earlier models, wooden base supporting large magnet and moving coil, scale over magnet, pointer on coil, French, 1890-1910

Moving coil galvanometer

1890-1910
Four ammeters in white plastic and perspex. 'Made in USSR Educational' on front

Four ammeters in white plastic and perspex

1970-1985
Voltmeter and ammeter indicating the direct pull of a solenoid and tubular core

Voltmeter and ammeter

Galvanometer, magnetic needle type, wooden base, metal fittings in glass cover, by William Hart of Edinburgh, 1900-1920

Galvanometer, magnetic needle type

1900-1920
Ammeter, refer to accession file, handwritten and difficult to read

Ammeter, refer to accession file

1920s
Ruler from Spot galvanometer, Tinsley type, in wooden case, by H. Tinsley and Co. Ltd., London, SE25, England, 1949-1960.

Ruler from Spot galvanometer

1949-1960
Milliammeter, mounted on wooden bracket

Milliammeter, mounted on wooden bracket

Spot galvanometer, Tinsley type, in wooden case, by H. Tinsley and Co. Ltd., London, SE25, England, 1949-1960.

Spot galvanometer

1949-1960
Set of 8 ammeters by Philip Harris Ltd. Six circular 0-3 amps, two quadrant 0-15 amps

Set of 8 ammeters by Philip Harris Ltd. Six circular 0-3 amps

1950-1970