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Ohmmeter, by Cambridge & Paul Instrument Company, Cambridge and London, Early 1920s

Inventory Number 96442

Acknowledgement: © History of Science Museum, University of Oxford, inv.96442

Item type
Object
Primary inscriptions
"No L-2656 / OHMS AT 20°C / THE CAMBRIDGE AND PAUL / INSTRUMENT CO. LTD. ENGLAND" printed on upper exterior surface.
Other inscriptions
"Sherrington" strong candidate It's not a meter it's a shunt or resistance box Marconi 2004-9/552
Dimensions
Height: 274mm Width: 106mm Depth: 103mm Weight: 1.988kg
Inventory No
96442

Description

Ohmmeter, with ebonite upper surface upon rectangular teak? case. With two lacquered copper alloy and copper terminals upon upper exterior surface, both slightly damaged. With row of three circular bakelite dials (scales 0-10 ohms, x0.1, x1, x10 respectively). This is an instrument that measures electrical resistance. Right-hand dial partially damaged and missing small section.

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