Portable recording moving-iron ammeter
Moving-iron voltmeter and ammeter (two movements) by the Record Electrical Co. Ltd.
1920
moving iron ammeter
1890-1900
Crompton Parkinson moving iron ammeter
Moving-iron ammeter in angled wooden stand by Philip Harris Ltd.
1964
Moving iron ammeter 0-50A (log scale); lab No. SA347
Siemens moving iron ammeter
Moving iron ammeter
Deprez moving iron ammeter with permanent magnet control
1883-1909
Kelvin moving iron ammeter switchboard type
Spring balance type moving-iron ammeter
Moving iron ammeter, 100 amps, for d.c. measurements
1927
Crompton moving-iron single turn type ammeter
Moving iron ammeter
1900-1940
Moving Iron Ammeter by H.W. Cox Ltd, 0-30A, c.1905
1905
Moving iron ammeter with torsion head
Parts of precision portable moving-iron ammeter
Moving-iron ammeter, no.284546, 0 to 10 amps
Moving-iron ammeter no. 11118A scaled 0.5 A
Paterson's patent moving iron ammeter with electromagnetic control
1883-1909