Excerpt from Practical Chemistry for Engineering Students Much of the work in this book is quantitative, and the student is encouraged throughout, to check the quality of his work by weighing the materials used, and the products into which these materials may be converted. For these weighings the balance is made use of, and its importance in chemical work demands a few explanatory remarks concerning the principle on which it works and the manner Of using it. The mechanical principles underlying the construction of the balance cannot be discussed here in full, and the worker is referred to text-books on physics for a detailed description of a delicate balance. 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.