Post Office Box, Plug Type, 4 Ratio, 1, 10, 100, 1000 Ohms, Superior



Product Code: 1116603


Plug type, in polished teak wood box with hinged lid and black bakelite panel lined in white colour to show circuit connections. Coils of resistance wire, double silk covered, are wound non-inductively and have a negligible temperature co-efficient. Two spring keys having special contact for battery and galvanometer fitted. Accuracy of coils 100 to 500 Ohms ± 0.05% and of the resistance coils ± 0.1%


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