Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 231
same crown of field magnet poles. Thearmature B is shown smaller than the armature A for the sakeof clearness. The two armatures are arranged so that the groupsof winding slots in one armature are midway between the fieldmagnet poles when the groups of winding slots in the otherarmature are midway… … Fig. 160. by placing all the slots shown in Fig. i6o on one armature body,the two windings being however kept as distinct as if they wereon separate armature bodies.
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-442-175.webp)
