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Excerpt from Commercial Feeding Stuffs of the United States: Their Chemical and Microscopical Examination In the new process, the crushed seeds are heated and while warm are placed in large vertical percolators, and naphtha or some other volatile solvent is poured over them, which is allowed to drain out at the bottom: This process is repeated until nearly all the Oil has been removed. The extracted mass is freed from solvent by letting steam into the percolator and. Driving out the naphtha as a vapor. 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.

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