Fieldbook for railroad engineers. Containing formulæ for laying out curves, determining frog angles, levelling, calculating earthwork, etc. etc., ... ... tangents. Etc., etc. By John B. Henck ...
Product Description
Fieldbook for railroad engineers. Containing formulæ for laying out curves, determining frog angles, levelling, calculating earthwork, etc. etc., ... ... tangents. Etc., etc. By John B. Henck ...
Technical Specifications
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