Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1205
Fig. 525 schemes of winding which are in the main only extensionsof the principles here shown. Fig. 524 shows an armature winding, with its develop-ment. Fig. 525, consisting of 18 conductors and a 4-polefield. Following out the circuits from one commutator seg-ment to the next or the developed…
