File:Railway maintenance engineering, with notes on construction (1915) (14572161980).jpg

Identifier: railwaymaintenan00sell (find matches)
Title: Railway maintenance engineering, with notes on construction
Year: 1915 (1910s)
Authors: Sellew, William Hamilton, 1875-
Subjects: Railroads Railroads
Publisher: New York, D. Van Nostrand Company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
o enable an examination and comparison ofall possible routes to be made. The excellent maps of the U. S.Geological Survey (Fig. 1) are now available for a considerablepart of the country, and these in most cases afford all the informa-tion necessary to determine the general route. Fig. 2 shows a reconnaissance map of a heavy grade on theAsheville and Spartanburg Division of the Southern Railway.This grade is about 5 per cent, and necessitates the use of safetyswitches in going down hill, and even with a pusher engine onlypart of the freight trains can be taken up the grade. An examination of the country suggested a revision introducingsufficient distance to reduce the grade to 2 per cent. The increaseof distance would be compensated for by the greater hauUngcapacity of the trains and would under certain conditions resultin ultimate economy. Owing to the cost of the contemplated change and the unbal-anced traffic on the line, where the greater tonnage moves down the RAILWAY MAIXTEXAXCE
Text Appearing After Image:
Fig. 1.— C S. Geological Survey Map, Virginia-Maryland, part of Frederic! burg Sheet. ^^® log ru^ Contour interval, 50 feet. 125,(XX) ENGINEERING

Note About Images