Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1206
ons would notthen be symmetrical, one connection to each coil being short-ened, and the other being lengthened. The design of some Armature Winding 1171 machines is such that locating the brushes in a line withthe pole pieces brings them in an inaccessible position, andthe commutator is therefore… … Fig. 520 As the armature revolves in the direction shown by thearrows, the positive brush will short-circuit commutator seg-ments e, and f, and the negative brush segments a, and b.The two coils e-9-16-f and b-8-l-a will therefore be short-circuited, and the full difference of potential of the…
