File:The Street railway journal (1899) (14759161985).jpg

Identifier: streetrailwayjo151899newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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andthese will be briefly mentioned herewith. The power station is located at Twentieth Street, on theAllegheny River, from which water is obtained for con-densing purposes. The tracks of the Baltimore & OhioRailroad and the Pennsylvania Railroad are close to thestation. Coal can be secured from either, or from bargeson the river. The station itself is built of Pompeian brick, LOW PRESSURE SIDE OF UNIT view of the receiving end of the conveyor is shown in oneof the accompanying engravings. The boiler room contains six batteries of sectional watertube boilers of a special design, made by the Babcock &Wilcox Company, and each battery is provided with aseparate unlined iron smokestack. Each stack is 66 ins.in diameter, and rises 147 ft. above the grate bars. Thefurnace is of the Hawley down-draft type. In order toeconomize floor space the boilers are made shorter andhigher than usual. Each boiler contains about 4000 sq. ft.of heating surface and is made up of eighteen sections of
Text Appearing After Image:
August, 1899.) STREET RAILWAY JOURNAL. 505 tubes, each 15 ft. long with three 36-in. drums, 20 ft. long.The boilers are designed to carry a pressure of 200 lbs. tothe square inch and were tested under hydraulic pressureto 300 lbs. The interior of the engine room is of Pompeian brick,and is finished with enameled brick wainscoting with slatecap. It measures 270 ft. x 55 ft.; and is designed to con-tain eight units, of which six are at present installed. Eachunit consists of a 1560-h.p. cross-compound condensingCorliss engine, built by the Pennsylvania Iron WorksCompany, and connected to an 800-kw. generator. The en-gines run at 80 r.p.m., and their cylinders measure 30 ins.and 54 ms. x 48 ins. stroke. An automatic oiling systemis used for all the bearings. The main supply of oil is keptin a reservoir placed near the roof of the building, and from

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