Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 280
the60-in. lathe should be based on curves shown in Fig. 12. The sameassumptions are made regarding overload as in the former case. 18 MOTORS IN MACHINE SHOPS The motor required for these conditions, according to one ofthe principal advocates of the Edison three-wire system, wouldweigh 2,000 lbs.… … Rev.per Min. of face Plate.Fig. 12. For a range of i to 1, or under, it has no advantage over thebalanced three-wire system, nor does it possess the several goodfeatures of the one last named. (S) FOUR-WIRE MULTIPLE VOLTAGE SYSTEMS. The principal advantage of the multiple-voltage system is…
Mechanical engineering
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