Excerpt from A Text-Book of Dye Chemistry: The Chemistry of Dye-StuffsThe translation is entirely new and, wherever it has seemed desirable, references to work published during the period 1913 - 20 have been inserted, whilst in most cases the British Patents are referred to, as well as the German.I wish to acknowledge gratefully the assistance rendered to me by my wife during the translation, and also that of Dr. E. Hope.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.