File:The street railway review (1891) (14756612561).jpg

Identifier: streetrailwayrev07amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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, the flue being lined with lire lirick for the first 90 feet,and from that point to the top ( 206 feet, 6 inches above thegrates) it is lined with tile. The draft secured is from i(to I inch of water, depending on atmospheric conditions. The steam pipes from the boilers all open into an 18-inchheader extending along the entire length of the west wall ofthe building. This header is of wrought iron, lap-welded,with cast-steel flanges, and is in three sections. These sec-tions are connected by expansion joints ^consisting of copperL-tubesof somewhat smaller diameter. From the header runsteam pipes to the engines, all the valves being located inthe boiler-room, just in front of openings in the partitionwall so that they can be easily operated from the engineroom. All valves about the buikling are Chapman gatevalves. The engine room is 70 feet wide and about 206 feet long.The engines are located on the east side of the ro<im. Ourillustrations from photographs show a view of the switch-
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INIKKIOK oi- i;n(;ini: KrxiM. 14 (^teed5\ail*\^j\eyl^ IP (I in Ihc shops of the- (iciuTMl ICkTiricCompaiiv, and a vIlW of llu- i.-ii<i-iiK room looking; iiorlhfrom the switch-hoard. Tlu- ■,c-iKral arran-cnunt of tin-machiiKr\ will hi understood from the line drawin^^s. There are four American-VVheeloek compound eondens-in<j and two Porter-AUcn tandem compound condensinjjenijines. The Whcelock en<<ines were hullt by Cramp &Sons, of Philadelphia, and have cylinders i8 and 48 by 48inches, run at 90 r. p. m. and with the normal boiler pres-sure of 150 pounds, will develop 1,200 horse-power whencutting off at 55 per cent of the stroke. The most econom-ical power is Soo horse-power, jet condensers are used andthe air pumps are belted to the enj^ine shaft. There aiealso two auxiliary pumps, one for the boiler feed and theother for the water of condensation from the jackets.The heads and barrel of the hiu;h pressure and the headof the low pressure cylinder are jacketed with

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