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File:The railroad and engineering journal (1887) (14758494195).jpg

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Identifier: railroadengineer62newy (find matches)
Title: The railroad and engineering journal
Year: 1887 (1880s)
Authors:
Subjects: Railroad engineering Engineering Railroads
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Text Appearing Before Image:
high-pressure cylinder 14 in , low-pressure 24 in. diam-eter, both 17-in. stroke. There is also an auxiliary airand circulating pump. The main circulating pump is acentrifugal pump with suction and delivery pipe each16 in. in diameter. The engine is carried by two heavy keelsons of steel platesand angle-irons, upon which are the A-shaped gallowsframes of box girders built up of wrought-iron plates andangles. These frames are connected by sway-braces, andcarry on top the pillow-blocks for the main shaft. Thekeelsons rest on yellow pine keelsons on top of the cross-floors, and are securely bolted to and through the hulltimbers. The condenser is carried on the after end of thesteel keelsons. The crank is of the built-up form, the crank-pin havinga bearing 18 in. diameter and 49 in. long. It is shrunk Vol. LXII, No. lo.J ENGINEERING JOURNAL. 459 c O o < X O H 5o wz 25m o w p: w H m C/l > o § z 5 o kJ ^ O n o z m z > m o T H 1—i *t: n n G o H z <
Text Appearing After Image:
460 THE RAILROAD AND (October, 1888. into one crank-arm, and secured by a nut at one end and gibs at the other. The cranl<-arms are also shrunit on andkeyed to the ends of the two shafts, each of which is 33 ft.6 in. long, and has journals 23 and 25 in. diameter. The boat has feathering paddle-wheels 28 ft. diameterbetween centers of the bucKet trunnions. There are 12buckets, each 14 ft. face and 4 ft. 6 in. wide. The bucketsare of oak 4^ in. thick. The wheel-frame carries bearingsfor the bucket trunnions, and the feathering motion isgiven by eccentrics keyed on the main shaft. Steam is furnished by six boilers of the gunboat type, each 12 ft. 6 in. diameter and 20 ft. ij in. extremelength. These boilers carry 120 lbs. working pressure,and are of steel, all rivet-holes drilled, the outside shellJ in. thick. In each boiler there are three corrugated fur-naces 48 in. inside diameter and 7 ft. 6 in. long ; back ofthe furnaces is a deep combustion chamber from whichrun 424 tubes 3) in.

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Flickr tags
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  • bookid:railroadengineer62newy
  • bookyear:1887
  • bookdecade:1880
  • bookcentury:1800
  • booksubject:Railroad_engineering
  • booksubject:Engineering
  • booksubject:Railroads
  • bookpublisher:New_York___M_N__Forney
  • bookcontributor:Carnegie_Library_of_Pittsburgh
  • booksponsor:Lyrasis_Members_and_Sloan_Foundation
  • bookleafnumber:482
  • bookcollection:carnegie_lib_pittsburgh
  • bookcollection:americana
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InfoField
27 July 2014
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18 October 2015

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