This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either…

This technical guide to civil engineering, based on lectures by William Allan and G.W.C. Lee, is an invaluable resource to students of the field. David Carlisle Humphreys has edited and…

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high…