Rare Books

New theorems, tables, and diagrams, for the computation of earth-work. : Designed for the use of engineers in preliminary and final estimates, of students in engineering, and of contractors and other non-professional computers. In two parts, with an appendix. Part I. A practical treatise; Part II. A theoretical treatise; and the appendix. Containing notes to the rules and examples of Part I.; explanations of the construction of scales, tables, and diagrams, and a treatise upon equivalent square bases and equivalent level heights. The whole illustrated by numerous original engravings, comprising explanatory cuts for definitions and problems, stereometric scales and diagrams, and a series of lithographical drawings from models; showing all the combinations of solid forms which occur in railroad excavations and embankments