Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1186
e others. Armature Design and Construction* Economy of construction demands that an armature berun at a high rate of speed. In any armature the output involts can be increased by simply increasing the speed; theoutput in amperes cannot be so increased unless at the sametime larger wires are used.… … Fig. 505 same armature, also increase the output in amperes. It willbe seen that speed is an important item in the constructionof any armature. To operate at a high rate of speed re-quires the very best workmanship and mechanical construc-tion. Whenever a high speed is to be used it is of the…
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