Swingle's catechism of steam, gas, and electric engineering ... a complete book of reference for the working engineer in the daily round of his duties (1922)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 149
th it must be, and a pattern coil must there-fore first of all be prepared, from which the spacing of thepins can be taken, so that the completed coil will fit intothe slots for which it is intended. 868. How are such coils placed upon the armature? Arts. Begin placing the coils at any convenient… … Fig. 542 Before placing the coils the slots must of course be in-sulated as explained previously. We now continue to layin coils until the whole armature is full, but when nearlyfull, the forward ends of the coils we are placing requireto be brought under the first coils put in place. To dothis it…
Engineering · Mechanical engineering
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