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 148
obtained, and the magnetic circuitis also much better. Furthermore, it makes possible theuse of so-called former coils. Armature Winding 143 866. What is a former coil ? Ans. A former coil is one that is wound upon a former,i. e., one that is wound complete before it is placed upon thearmature.… … Fig. 541plank, or other suitable material. The wire is woundaround these pins as indicated in the figure, as many turnsbeing taken as it has been decided to allow for each coil.When the coil is thus completely wound it is taken fromthe pins, and the lower ends placed in a suitable clamp,…
Engineering · Mechanical engineering
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