Variable Resistance Box ( Plug Type)

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Variable Resistance Box ( Plug Type) For accurate work, in polished wooden box and panel figured in white. Split brass contact blocks hold precision cut, interchangeable plug havin g moulded black fluted tops. Coils of constantan wire, double silk covered are wond co-efficient. Accuracy ±0.1%. Range In Ohms Total Ohms No of Coils 1-50 110 4 1-100 210 9 1-500 1110 12 1-1000 2110 13 1-5000 11110 16 1-10000 21110 17 Show more