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 1077
he armature the wire is laid on in a con-tinuous spiral as shown. This makes the electro-motiveforce in each half of the armature in series^ and allows thecurrent to flow from one coil to another, except at thepoints where the N-half and S-half of the armature meet.Here the electro-motive forces… … Fig. 443 EIGHT COIL GRAMME RING WINDING, WITH EIGHT PARTCOMMUTATOR draw it in at the bottom as shown by the arrows on thesewires. This will cause a current to flow in the externalcircuit. If the junctions of the coils are connected to eight com-mutator bars, (one bar per coil); and connect the ends…
