Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 251
represents the wire coils of the armature,B, is the shaft with its journals, C, is the commutator. Allcommutators both for generators and for motor armatures areinsulated by mica between the bars. Fig. 222 shows a ivovcn zvire brush. The brushes on thedynamo, page 247, are niadt of carbou. 252… … Fig. 223. cojinection; it is that influence by which a strong current flow-ing through a conductor controls or affects a weaker current
Hydraulic machinery · Pumping machinery
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