Ayrton and Perry ammeter, about 1880

Made:
1875-1884 in London
inventor:
William Edward Ayrton
and
John Perry

Ayrton and Perry's fixed coil moving needle non-commutator ammeter

Details

Category:
Electricity Supply
Object Number:
1909-67
type:
electrical measuring instrument, moving-iron ammeter and moving-iron voltmeter
credit:
Victoria & Albert Museum, Works Division