Field-book for railroad engineers
Subtitle: 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.
By: by John B. Henck
Publisher: D. Appleton
Published: 1854
Place of publication: New York
Language: eng
Number of pages: 243
Subjects: Railroad engineering -- Handbooks, manuals, etc