Railway Engineering Or, Field Work, Prreparatory to the Construction of Railways: Containing the Original and Most Approved Methods of Laying Out Railway Curves, and of Setting Out the Widths of the Cuttings and Embankments, Etc. A General Table for the Calculation of Earthworks of Railway Canals, &c., with Two Auxiliary Tables; Also Tunnelling and Investigation of the Formula for the Super-elevation of the Exterior Rail in Curves