ELECTRIC MOTOR. THE ARMATURE CORE. shellac varnish, one coat being allowed to dry beforeapplying the other. The next thing to claim attention is the commutator.This is a core of wood fitted to the armature shaft andturned to fit a piece of brass or copper tube % or %inch in diameter and % inch…
Coal · Patents · Armature · Munn · Automobile · Candle power · Naval constructor · Scientific American · Sewing machine · Trade mark · Coal dust · American supplement · Trade marks · Horse power · Gas engine
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