Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1075
to Irush M instead of to P sothat the hnosh M is still positive. (See Fig. 432.) 1040 Steam Engineering This arrangement of commutator bars and brashes per.forms the duty of connecting the brush M to that part ofthe winding, and only that part which is moving down infront of a S-pole. As long as… … Fig. 433 an armature coil connected to a two-part commutator, so a& to deliver direct current The two brushes are placed as shown in Fig. 434. Ir^this case the alternating electro-motive force will be re-versed or commuted at the proper instant, and there willbe a one direction electro-motive…
