Free Preview of Field-Book for Railroad Engineers: Containing Formulae for Laying Out Curves, Determining Frog Angles, Levelling, Calculating Earth-Work, Etc., Etc., Together With Tables of Radii, Ordinates, Deflections, Long Chords, Logarithms, Logarithmic and Natural S
Field-Book for Railroad Engineers: Containing Formulae for Laying Out Curves, Determining Frog Angles, Levelling, Calculating Earth-Work, Etc., Etc., Together With Tables of Radii, Ordinates, Deflections, Long Chords, Logarithms, Logarithmic and Natural S