Wattmeter [Standard]

Object detail

Accession number

1982.610

Maker

Siemens Brothers and Company Limited

Production period

1920s

Description

Standard Wattmeter, battery, within a wooden box with a hinged metal and wooden handle. Box hinges from centre of lid, opening from front edge with a small circular brass push button. There are two brown bakelite twist knobs on the front, next to the handle. Inside box is a clear Perspex window displaying the meter scale ranging from 0-150. On the inside of the door is a encased label displaying a diagram of the monophasic current. 450 Volts, 13,000 ohms. Box has two protruding metal prongs front one side. Prongs have small holes in ends.

Marks

450 v:15000 Ω/ Standard wattmeter/ no. 880480 Printed
Monophasic Current/ 450V/ value per scale division = 15W Label

Media/Materials

Organic/Vegetal/Wood
Processed Material/Glass

Credit Line

Siemens Brothers and Company Limited. Circa 1920. Wattmeter [Standard], 1982.610. The Museum of Transport and Technology (MOTAT).

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Classification

Instrument, Electrical Meter, Electric Tools & Equipment for Science & Technology Electrical & Magnetic T&E Electrical & Magnetic Measurement Devices

Production place

London Greater London England Great Britain British Isles Europe Great Britain United Kingdom

Collection type

Electrical Industrial Heritage Technology

Subject auto tags

Wood Rectangle Gas Electronic device Font Circle Metal Hardwood Antique Picture frame

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