. Electric railway gazette . rofitable or unprofitable onstreet railways? 198 Kapp, Gisbert, on American and foreignstreet railways, 57 Sarcia, J. Storage battery traction, 461 Smith, W. Nelson, Overhead feeder andtrolley construction of the New Or-leans Traction Company, 364, 383,397 Stine, W. M, Progress , 125 Electric Railway Gazette. Vol. XIII. NEW YORK, JULY 6, 1895. No. 1. New Plants of the Electric Traction Company of Phila-delphia.—I. The new power plant of the Electric Traction Company,on South Street, is rapidly nearing completion and it isexpected that it will be in ful
. Electric railway gazette . rofitable or unprofitable onstreet railways? 198 Kapp, Gisbert, on American and foreignstreet railways, 57 Sarcia, J. Storage battery traction, 461 Smith, W. Nelson, Overhead feeder andtrolley construction of the New Or-leans Traction Company, 364, 383,397 Stine, W. M, Progress , 125 Electric Railway Gazette. Vol. XIII. NEW YORK, JULY 6, 1895. No. 1. New Plants of the Electric Traction Company of Phila-delphia.—I. The new power plant of the Electric Traction Company,on South Street, is rapidly nearing completion and it isexpected that it will be in full operation in about a week. The power house is located at Twenty-seventh and Southstreets on the line of the B. & O. Railway, and about 450feet from the Schuylkill River. The site is an admirableone, as coal can be handled economically, and fuel andwater for the boilers and condensers may be taken from theriver. The building, Fig. 3, is a very substantial andattractive structure, and is constructed of brick with brown. engine room, occupying a space about 20 by 30 feet. Thefloor above is left open so that the operation of the condensersma} be seen from the engine room. The arrangement ofthe heaters and condensers is shown in the accompanyingdiagram, Fig. 4. The equipment consists of two Blakeindependent jet condensers and twin vertical air-pumps of thesame make. The condensers, which have been in but a short time, have given excellent results, therebeing no difficulty in maintaining a vacuum of 28 inches inthe general main, into which the engines exhaust. Excel-lent piovision has been made for ventilating the engineroom by the installation at each end of the building of two36-inch Blackman fans, which are operated by an electricmotor and run at a speed of 500 revolutions perminute, insuring a constant circulation of air. The boiler room, Fig. 1, is separated from theengine room by a brick wall and the floor is about12 feet below the floor of the latter. The boile
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