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Books by John Benjamin Henck

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2 books found
Field-book for railroad engineers: Containing formulæ for laying out curves, determining frog angles, levelling, calculating earth-work, etc., etc., ... and natural sines, tangents, etc., etc.
Field-book for railroad engineers: Containing formulæ for …
By: John Benjamin Henck
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Field-book for railroad engineers.: Containing formulæ for laying out curves, determining frog angles, levelling, calculating earth-work... (1871)
Field-book for railroad engineers.: Containing formulæ for…
By: John Benjamin Henck
View Details