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Galvanometer

Galvanometer
Manufacturer unknown USA, 1944 y.

Galvanometer 1944, USA Highly sensitive instrument for measuring small direct and alternating electric currents. Unlike usual microampermeters, the galvanometer range can be scaled in terms of not only current intensity but also in terms of voltage as well as other physical quantities. They have a conventional, non-dimensional gradation, for example, when used as a zero indicator.   These devices were supplied to the USSR under Lend-Lease.