Book Description

Excerpt from Pharmaceutical Journal and Transactions, 1849-50, Vol. 9 Mr. Scanlan observed, that he had had some experience in the manufacture of alum at Whitby, in Yorkshire, and it was there found that the alum slate did not undergo oxidation until it had been calcined. In this respect, therefore, it differed from the slate found at the Hurlet mine. He believed also that the Hurlet slate was more productive than that at Whitby. At the latter place, only one ton of alum was produced from sixty tons of the slate. 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.