Twin instrument comprising moving coil ammeter and moving coil voltmeter with a range-change switch

Twin instrument comprising moving coil ammeter and moving coil

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Twin instrument comprising moving coil ammeter and moving coil
Science Museum Group
© The Board of Trustees of the Science Museum

Twin instrument comprising moving coil ammeter and moving coil voltmeter with a range-change switch, 0-100A, 0-130V, serial no. 44242

Details

Category:
Electricity Supply
Object Number:
1972-178
type:
voltmeter - moving coil and ammeter - moving coil
credit:
Evershed and Vignoles Limited