A Treatise on the Origin, Progressive Improvement, and Present State of the Silk Manufacture (Classic Reprint)

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Excerpt from A Treatise on the Origin, Progressive Improvement, and Present State of the Silk Manufacture Floss Silk. The Cocoon. Its Imperviousness to Moisture. Trans formation of Worm into a Chrysalis. Periods in which its various Pro gressions are emacted in different Climates. E¿ects of increased Tem perature. Modes Of artificial Heating. Coming forth of the Moth. Manner of its Extrication. Increase in Weight and Bulk of the Silk worm. Number of Eggs produced. Length, &c., At di¿'erent Ages. Silkworms injuriously a¿ected by Change of Climate. Varieties Of Silk worms. Small Worms. Large Species. Produce yielded by these. 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.