Excerpt from Stresses and Thrusts: A Text-Book for StudentsBefore commencing the study of any subject demand ing Close logical reasoning, it is Obviously necessary that the elementary principles involved should be thoroughly mastered, else the sound foundation is wanting upon which all else has to be erected.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.