Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 332
rely used except for very heavy work or on steep grades. The frames of the later telphers are made in one casting, and the driving wheels are of steel, this having been determined to be the best material. Motors. The motors are waterproof and dustproof and are compound wound for automatic work.… … End E lev-don. a,a. ei.vation. Fig. 13. The double telpher; maximum traction ; capacity, four tons of coal, or 95 cubic feet; speed, 800 to 1,200 feet per minute. Side- dumping bucket operated by telpherman; controlled from either end. Telphers can be operated separately. Three of these double…
Engineering
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