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 Calcula... » 

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 «