File:Railway master mechanic (microform) (1895) (14781547763).jpg

Identifier: railwaymastermec33newy (find matches)
Title: Railway master mechanic (microform)
Year: 1895 (1890s)
Authors:
Subjects: Railroads Railroads
Publisher: New York : (Simmons-Boardman Pub. Corp.)
Contributing Library: MIT Libraries
Digitizing Sponsor: Boston Library Consortium Member Libraries

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l plates,side of the plate along the waist. To relieve the crown Wear and tear may be divided under two headings, namely,Plate of these stresses some engines have been fitted with grooving and cracking, by reason of expansion and contrac-a row of flexible stays at the back end. The later boilers tion; and pitting) brought about by deposits which are car-are now bemg made with the back plate flanged inwards, ried in solution and suspension in the water. The pittingthe final operation of riveting up this plate to the wrapper at the srnoke-box end is produced by chemical reactionsbeing done by hand. All new fire-boxes of the larger classes going on jn the mud which is deposited, and pitting round the stays and sides of wrapper plates, probably by chemical ♦From a paper read before the Institute of Mechancial and electrical actions. The diagram, Fig. 11, shows the pit-Engineers, ting and grooving of boilers and fire-boxes. So serious a October, 1909. RAILWAY MASTER MECHANIC Fig.1 ■:.u
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