Identifier: electricrailways01ashe (find matches)
Title: Electric railways, theoretically and practically treated
Year: 1905 (1900s)
Authors: Ashe, Sydney Whitmore Keiley, John D
Subjects: Electric railroads
Publisher: New York, Van Nostrand
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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Text Appearing Before Image:
Fig. 161. —INDUSTRIAL NARROW-GAUGE LOCOMOTIVE. locomotive hitherto placed in service. The motors have a large current capacity, the design of all working parts is simple and accessible, and the depreciation and cost of maintenance should therefore be extremely small. The locomotives are provided with all the accessories of steam locomotives, namely, air compressors for the brakes, whistle,bell, heaters, and pneumatic sanding device, all of which are operated by electric power. Industrial Locomotives. — An industrial locomotive is usually designed to operate upon narrow-gauge tracks 262 ELECTRIC RAILWAYS, at very low speed and to exert a small draw-bar pull,which implies small dead weight. As a source of power, storage batteries are often employed, the dead weight of the batteries correspondingly decreasing the necessary net weight of the truck to produce a given traction.The use of storage batteries as a source of power elim-
Text Appearing After Image:
Fig. 162.—STORAGE-BATTERY LOCOMOTIVE. -inates the overhead trolley with its accompanying sup-porting structure, which would be a serious objection in machine shops. Consideration, must be taken of the objectionable features of storage batteries, such as fumes, ELECTRIC LOCOMOTIVES. 263 moisture, heavy depreciation, necessary care, etc. Figs.161 and 162 represent two types of industrial storage-battery locomotives built by the C. W. Hunt Company.

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