Field-Book for Railroad Engineers: Containing Formula for Laying Out Curves, Determining Frog Angles, Levelling, Calculating Earth-Work, Etc., Etc., ... Logarithms, Logarithmic and Natural Si - Couverture rigide

Henck, John Benjamin

 
9780484514835: Field-Book for Railroad Engineers: Containing Formula for Laying Out Curves, Determining Frog Angles, Levelling, Calculating Earth-Work, Etc., Etc., ... Logarithms, Logarithmic and Natural Si

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