service meter comprising a mercury voltameter, the

Made:
1900

service meter comprising a mercury voltameter, the amount deposited being read in a graduated tube, by A. Wright, 1900

Details

Category:
Electricity Supply
Object Number:
1931-685
Materials:
copper alloy, glass, liquid (yellow, unidentified), mercury, paper, steel, textile covered electrical wiring and wood
credit:
Mrs. E. Wright