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Excerpt from Chemical and Metallurgical Laboratory Supplies and Assayers' Materials Customers who are engaged in special lines will confer a favor by advising us, so that we can place them on our mailing list to receive bulletins of particular interest to them. We offer the use of all our facilities to get information in regard to any article in our line in which you may be interested, and to obtain the article for you. 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.