Evershed's portable ohmmeter no.20818

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Evershed's portable ohmmeter no.20818

Details

Category:
Electricity Supply
Object Number:
1972-89
Materials:
black, rigid plastic, ceramic, copper alloy, felt, glass, lacquered copper alloy, leather handle, mahogany, paper, plastic coated electrical wiring, textile impregnated covering coil, unidentified white metal and unidentified, coated white metal
Measurements:
overall (open): 290 mm x 170 mm x 260 mm, ,
overall (closed): 190 mm x 170 mm x 185 mm, , 3.068kg
credit:
Evershed and Vignoles Limited