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Collection of meters from the Department of Metrology, UMIST, 1890-1969

Collection of meters from the Department of Metrology, UMIST with related record cards and test certificates. c.1890-1969.

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Sangamo Weston Ltd voltmeter

Sangamo Weston Ltd voltmeter

Metropolitan-Vickers Electrica

Metropolitan-Vickers Electrica

Sangamo Weston Ltd ammeter

Sangamo Weston Ltd ammeter

Otto Wolff four terminal stand

Otto Wolff four terminal stand

Sangamo Weston Ltd wattmeter

Sangamo Weston Ltd wattmeter

Wheatstone bridge

Wheatstone bridge

Tinsley & Co. potentiometer

Tinsley & Co. potentiometer

1966
Tinsley & Co Dr C V Drysdales

Tinsley & Co Dr C V Drysdales

Tinsley & Co type 5585A volt r

Tinsley & Co type 5585A volt r

Tinsley & Co standard cell bank

Tinsley & Co standard cell bank

Tinsley & Co. ESM potentiometer

Tinsley & Co. ESM potentiometer

circa 1953
Tinsley & Co electrically main

Tinsley & Co electrically main

Tinsley & Co volt rate box

Tinsley & Co volt rate box

Phase II Standard Ratio for use in bridge measurement, made by H. Tinsley & Co., London (UK), no. 14554. Part of the equipment used by the Metrology Department at UMIST.

Standard ratio for use in bridge measurement

Phase II standard cell Weston type 1149, made by H. Tinsley & Co., London (UK), circa 1935. no 109157. Marked in black paint "54 EE 1331B". Part of the equipment used by the Metrology Department at UMIST.

Standard cell Weston type 1149

Phase II early 4 terminal resistor, made by H. Tinsley & Co., London (UK), circa 1935. no. 13307. Marked in white paint "39 EE 491". Part of the equipment used by the Metrology Department at UMIST.

Phase II early 4 terminal resistor

Early standard cell no. 13,369, made by Muirhead & Co., Westminster (UK). Marked in white paint "S.282". Part of the equipment used by the Metrology Department at UMIST.

Early standard cell no. 13