D.C. galvanometer relay model 30 no. 24904, by the

Made:
1939
maker:
Weston Electrical Instrument Company

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D.C. galvanometer relay model 30 no. 24904, by the Western Elec. Inst. Corp., Newark, N.J. , USA, resistance 340 ohms approx, deflection 30 microamps per millimetre approx.

Details

Category:
Electricity and Magnetism
Object Number:
1985-1947
credit:
University of Oxford (Physical Chemistry Laboratory)