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 1877 [LeatherBound]
John Benjamin Henck
Sold by True World of Books, Delhi, India
AbeBooks Seller since December 6, 2017
New - Hardcover
Condition: New
Quantity: 18 available
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