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Excerpt from The Technology of Wood Distillation: With Special Reference to the Methods of Obtaining the Intermediate and Finished Products From the Primary Distillate The first edition of The Technology of Wood Distillation, which appeared in 1903, was exhausted in 1907, and the preparation of a second edition became necessary. In the meantime striking progress had been made by the industry, both in the process of carbonisation and in the methods of working up the volatile products. Accordingly I recognised that not only was a complete revision of my book required, but that the field which it covered must be consider ably widened. In the first edition I had restricted myself essentially to the presentation of a series of monographs on the methods-of manufacture then in use, without, as a rule, entering into details regarding the laws on which the various methods were based. At the same time, I expressed the Opinion that these methods were capable of improvement; and in this direction the industry, during the period 190 3 - 1909, made great advances. 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.