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 1204
21-i-14-20-h j As the armature moves forward from the position shown,coil 1-7 is short-circuited by the negative brush and coil13-19 by the positive brush. It will thus be seen that a Armature Winding 1175 considerable difference of potential exists between the innerand outer layers of wire^ and… … Fig. 524 other, are both in the neutral point of the field at the pointof commutation. This can be considered as an advantageover the previous type where the short-circuited coils aresomewhat separated, and are therefore not commutated atthe exact neutral point.^ 1176 Steam Engineering In the…
