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SKU: GP0802

(Plug in type) The heavy brass contact blocks are bond to the vulcanite plated by the double nut system. The plugs and lugs are cut to a fine taper and are interchangeable. The plug heads are machine moulded of bakelite. Each resistor independently mounted with double leads. Accuracy of constantan coils. 1% for       lower values and .5 per cent for the higher values resistor. The best imported constantan wire is wound on ebonite spools, the method adopted is non-inductive and non-magnetic. Each resistor is dipped in boiling hot wax.

As above with 3 ratio coils of 1000, 100 and 10 ohms. Rheostat arm 1.5000 ohms. Two tapping key with silver contact provided for battery and galvanometers in wooden case with hinged lid, overall dimensions 280 x 200 x 175mm high.