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 1225
on-sideration where there are many coils. The commutator sections are sometimes provided withscrews to hold the wire, but oftener the wires are soldereddirectly to the commutator segments. This latter is the 1190 Steam Engineering safest method but may cause some trouble should it bedesired to… … Fig. 533 nearly enclosed type. The binding wires are wound uponthe finished armature as shown in Figure 533. After plac-ing a band of insulating material^ such as mica^ where thewires are to go^ begin by taking one or two turns of wirearound the armature with the spool; draw these as tight…
