The Field Engineer: A Handy Book of Practice in the Survey, Location, and Track-work of Railroads; Containing a Large Collection of Rules and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants of the Young Engineer
D. Van Nostrand Company, 1890 - 339 páginas
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4º curve A. D. Min added adjustment angle base called central angle centre CHORD circle column correct corresponding Cosine Cotang Cubes curve decimal deflection degree of curvature difference direction dist distance divided elevation engineer equal error Example feet field figure fixed follows frog functions gauge given gives grade ground half height Hence inches intersection length located logarithm mark means measure method middle minutes Move multiplied natural observation opposite outer rail parallel practice quotient radii radius range reference remainder Roots rule screws side Sine slope Square stake straight Subtract Suppose switch-rail Table Table XVI tabular taken Tang tangent telescope terminal tion track triangle turn turnout vernier vertical