[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 157
therecesses filled with wire wound back and forth. RECENT APPLICATIONS. 155 To each end is screwed a brass head, in whichshort shafts are fitted. These shafts, besides sun-porting the armature in position, carry the drivingpulley and the commutator. The commutator has but two parts, to which,after… … Figure i. This form of armature is very energetic and iswell adapted to small dynamos for intermittentwork. For experimental purposes a large currentis available for short periods. When run continu-ously this form heats greatly on account of thelarge mass of iron in the armature. The rapid…
Electricity
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