A.C. test set (electrodynamometer ammeter, voltmeter and wattmeter) no. L 177196, by the Cambridge Instrument Co. Ltd., England, voltage ranges 50v-500v and current ranges 5A-25A A.C. test set 1940-1950
Test set, SA 9069. Early test set for measuring sheath current in V/G cable, Galvo spot and internal battery. test set
Test set type 74A for I.F.F. equipment, 1939 - 45 Test set type 74A for I.F.F. equipment, 1939 - 45 1939-1945
Elliott Bros. "Century" test set no.1390 complete with 150A and 600A shunts in mahogany box Elliott Bros. "Century" test set no.1390 complete with 150A and 600A shunts in mahogany box