Instrument panel from the Apollo Mission Simulator
1966
Crompton portable ammeter no.9614 - c.1899
Soames and Nalders patent Voltmeter
Honda CB92, Benly motorcycle, 1964
1964
moving coil ammeter with "petticoat" windings
G.P.O. moving coil milliameter and voltmeter
Kelvin and James WHite ampere gauge no.5808
Kelvin recording voltmeter no. 229
transformer with split core
1930
Edison's electrolytic A-H. meter?
British Thomson-Houston recording watt-hour meter
Long-Schattner Prepayment meter no.769
Microelite miniature sewing machine
circa 1970