Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 284
Fig. 153. Tandem Gear Which Avoids End Thrust It cannot be doubted though tliat when the engine is placedoverhead, a great deal of friction is dispensed with, and some room 248 … 249 200 ELEVATORS in the building saved for other uses. This arrangement calls foreither brick walls surrounding the hatchway or girders at the roofsufficiently strong to carry the weight of the engine, car, counterpoiseweights, and loads to be lifted, as well as the weight of the wall androof of…
Electrical engineering
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