Evershed's portable ohmmeter no.20818
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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
