Voltmeter

Maker and role
Weston Electrical Instrument Corporation, Manufacturer
 Production date
1913
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Object detail

Accession number
1973.98.3
Maker
Weston Electrical Instrument Corporation
Production period
1910s
Description
Weston Voltmeter in a wooden carry box with a lock and a single leather strap on top. Box hinges from the middle and opens to a 180° angle. There are grids of circular holes around all four sides of the lid component acting as vents. Inside the box is the voltmeter unit. The unit has a black and clear Perspex covering with a brown bakelite switch board along the base. The switch board has two twisting knobs at it base an a single button above one of the knobs. The patients plaque is in the centre of this board. On the lid side of the box is a metal grate covered in small holes with a thin brown bakelite strip that has two twisting knobs on either side. There is a double twisted electrical wire connecting the two sides of the box.

Stored inside leather carry case. Case has purple velvet lining. Pocket inside lid contains documentation. Instruction manual for esterline-angus graphic instrument also included.
Marks
Weston Electrical/ Instrument Co./ Newark, N.J U.S.A Maker's Mark
Weston's/ Direct-reading/ Alternating/ and direct current/ volt-meter Printed
L55872 Hand-written
Voltmeter (Weston) A.C./DC. 0./500 Nos 6369/85 Sticker
98/73. / VOLT METER 1913 / from Duffus Electrical Ltd / 58 D[...] St. Label
S/N 6369 Sticker
Media/Materials
Organic/Vegetal/Wood
Processed Material/Metal
Processed Material/Leather
Credit Line
Weston Electrical Instrument Corporation. 1913. Voltmeter, 1973.98.3. The Museum of Transport and Technology (MOTAT).

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