Excerpt from The Chemical News and Journal of Physical Science, 1877, Vol. 35: With Which Is Incorporated the "Chemical Gazette" While in this situation it yields about 20 gallons of bittern, or pan oil, ' as the workmen call it. In each pan there are four small round vessels of 8 in. By 4 in., placed one in each corner, which, during the evaporation, colle& all the insoluble salts and impurities deposited during the process, sometimes more or less, in proportion, it is said, to the weakness of the water. 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.