Ayrton and Perry spring-type ammeter

Ayrton and Perry spring-type ammeter scaled 20 to 100 amperes

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Ayrton and Perry spring-type ammeter scaled 20 to 100 amperes
Science Museum Group
© The Board of Trustees of the Science Museum

Ayrton and Perry spring-type ammeter scaled 20 to 100 amperes

Details

Category:
Electricity Supply
Object Number:
1968-612
Materials:
glass, cardboard, mirror, copper alloy, mahogany base and steel compass
Measurements:
overall: 120 mm x x 130 mm, , 1.121kg
type:
ammeter
credit:
Crompton Parkinson Limited