Field-book for railroad ingineers
Subtitle: containing formulae for laying out curves, determining frog angles, levelling, calculating earth-work, etc., etc. together with tables of radii, orginates, deflections, long chords, magnetic variation, logarithms, logarithmic and natural sines, tangents, etc., etc.
Publisher: Appleton
Published: 1881
Place of publication: New York
Language: eng
Number of pages: 243
Subjects: Railroad engineering