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 1192
ent of the faces of thepole pieces^ together with the armature conductors^ willshow in a plainer manner the relations existing between thecoils and their connections. The development of the arma-ture in Fig. 514 is shown in Fig. 515^ and is that view whichwould be obtained were a person to take a…