Evershed's portable ohmmeter no.20818

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Evershed's portable ohmmeter no.20818
Science Museum Group
© The Board of Trustees of the Science Museum

Evershed's portable ohmmeter no.20818

Details

Category:: Electricity Supply

Object Number:: 1972-89

Materials:: copper alloy, lacquered copper alloy, mahogany, ceramic, glass, paper, felt, plastic coated electrical wiring, textile impregnated covering coil, leather handle, black, rigid plastic, unidentified, coated white metal and unidentified white metal

Measurements:: overall (closed): 190 mm x 170 mm x 185 mm, , 3.068kg

type:: ohmmeter

credit:: Evershed and Vignoles Limited

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Evershed's portable ohmmeter no.20818

Details

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