Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 366
R MR. PERCY B. ECKHART, KENILWORTH, ILL. W. Carbys Zimmerman, Architect, Chicago, 111.Exteriors Shown on Opposite Page. Masonry and reinforced concrete 283 attendant may stand closer to the operating handles and away fromthe contacts and resistance. Polyphase induction motors are being used to some… … Fig. 135. Ransome FrictionCrab Hoist. Fig. 136. Motor with Fields Parted.For operation of cranes, hoists, etc. circuit, and with external contacts for varying the same. Twocapacities of resistance can be furnished: (a) Intermittent service,zero to full load; and (h) Intermittent service, zero to…
Architecture · Building
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