Pocket-Book for Railroad and Civil Engineers: Containing New, Exact, and Concise Methods for Laying Out Railroad Curves, Switches, Frog Angles, and Crossings; The Staking Out of Work, Levelling; The Calculation of Cuttings and Embankments, Earthwork, Etc
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Pocket-Book for Railroad and Civil Engineers: Containing New, Exact, and Concise Methods for Laying Out Railroad Curves, Switches, Frog Angles, and Crossings; The Staking Out of Work, Levelling; The Calculation of Cuttings and Embankments, Earthwork, Etc
