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 1190
of a motor, theforce applied is ajmost as severe as the blow of a liammer, MECHAXICAL COXSTRUCTIOX OF THE ARMATURE. All good armatures are made up of a number of punch-ings similar to those shown in Figs. 507-508-509. Thesepunchings are made of soft iron or steel. The figuresillustrate the…
