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| POST OFFICE BOX, PLUG TYPE
(1678)
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The heavy brass contact blocks fitted to the bakelite plate. The inter-changable
plugs are cut to a fine taper. Each resister independently mounted with double leads wound with manganin wire non-inductive,
dipped in boiling wax. Provided with 3 ratio coils of 1000, 100 and 10 ohms, Rheostat arm 1-5000 ohms and two tapping keys
for galvanometer and battery in polished wooden case with hinged lid of size 280 x 200 x 175mm.
Accuracy:
0.05% |
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