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 variations, logarithms, logarithmic and natural sines, tangents, etc., etc. / By John B. Henck 1879 [LeatherBound]
John B. (John Benjamin) Henck
Sold by S N Books World, Delhi, India
AbeBooks Seller since October 8, 2009
New - Hardcover
Condition: New
Quantity: 18 available
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