Rare Books
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, magnetic variation, logarithms, logarithmic and natural sines, tangents, etc., etc
Image not available
You might also be interested in
Image not available
Field-book for railroad engineers. : Containing formulae for laying out curves, determining frog angles, leveling, calculating earth-work, etc., etc., together with tables of radii, ordinates, deflections, long chords, magnetic variation, logarithms, logarithmic and natural sines, tangents. Etc., etc
Rare Books
426320
Image not available
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, magnetic variation, logarithms, logarithmic and natural sines, tangents, etc., etc
Rare Books
714067
Image not available
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, delections, long chords, logarithms, logarithmic and natural sines, tangents, etc., etc
Rare Books
721389