Field-book for railroad engineers. Containing formulas 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

Henck, John Benjamin

Published by D. Appleton and Company, New York, 1890
Condition: Used - Near fine Soft cover

Sold by Livresse, Gatineau, QC, Canada

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Used - Soft cover

Condition: Used - Near fine

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