International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 505
ne C J/, as determined by theofifset B ]\f. The forward end D of the cord will mark thespot for another track center. Then, move ahead as before,measuring another offset and stretching the cord to locateanother center stake at E. In this way a perfect curve maybe run in without the use of an… … Pig. .519. to line their centers they must be practically of the sameheight, which is sometimes difficult to obtain, especially ifthe ballast contains stone. Having set all the track centers, select a track gaugewhich is square and true, and mark a point midway betweenthe gauge lines. Then, place…
Railroad engineering
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-384-1.webp)
