Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 151
Electrics — Dynamo-electric Macliines. 133 jacent commutators being always con- the Luils the currents were actually being of coils that lie at forced against an opposing electromotive nected to 2 pairs force. In a badly -arranged dynamo right angles to one another in the ring. giving such a… … rately excited. Also, the presence of In this figure, tlie 8 coils are numbered brushes, drawing a current at any point as 4 pairs, and each pair has its own of the collector, will alter the distribu- commutator, to which pass the outer tion of potential in the collector; and ends of the wire of…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
