Reprint of the original, first published in 1876.

Reprint of the original, first published in 1883.

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Excerpt from Treatise on the Theory of the Construction of Bridges and Roofs: Illustrated With Numerous Wood Engravings Definitions; The Load; Safe Load; Factor of Safety; Absolute Modulus of Safety; Examples of Strains that have been used in Practical Cases; Proof Load; Framing; The Simple Girder; The King-post Truss; Inverted King-post; A Braced Beam; Minimum Amount of Material; Minimum Depression; Trussed Beams; Raised Tie or Double Rafters; Depressed Tie; Solution by Diagrams; Fink Truss; Roof Trusses; Unequally-inclined Braces or Ties; Inverted Truss; Bollman's Truss; Analysis of Bollman's Truss Primary System; Trapezoid Truss; Truss Fully Braced; Trapezoidal Truss Modified About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.