Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 262
thearmature wires between the brushes is dependent on the po-sition of the brushes. The armature wires which connect thebrushes are those sustaining the desired definite position tollie field magnets, so that the currents from the armature atall times flow properly into the external circuit,… … Fio. 237. On two-pole machines there are two brush-holders, eachcontaining one or more brushes. On the four-pole machinethere may be eitb.cr two or four brush-holders, and on a six-polemachine, either i vo, four, or six brush-holders. A single path of the current through the commutator andarmature…
Hydraulic machinery · Pumping machinery
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