Excerpt from Rubber-Content of North American Plants Apparently the most extensive examination of the milkweeds hitherto made was that of Fox who carried on his experiments at Akron, Ohio. This worker Obtained 2 to 3 per cent of rubber from Asclepias syriaca on the basis of the latex. His conclusions were that while rubber is a product of the plant, the amount is so small, its quality is so inferior, and its cost of production is so high, that a profitable industry is out of the question. A year later Fox (1912) reported ...
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Excerpt from Rubber-Content of North American Plants Apparently the most extensive examination of the milkweeds hitherto made was that of Fox who carried on his experiments at Akron, Ohio. This worker Obtained 2 to 3 per cent of rubber from Asclepias syriaca on the basis of the latex. His conclusions were that while rubber is a product of the plant, the amount is so small, its quality is so inferior, and its cost of production is so high, that a profitable industry is out of the question. A year later Fox (1912) reported more favorably concerning his work on Apocynum cannabinum or Indian hemp. The latex of this species was found to contain only to per cent of rubber, but the quality of the product was much superior to that obtained from Asclepias. Other characters of the rubber are given on p. 55) It is to the credit of this investigator that he carried his examination so far, although working with plants which gave such discouragingly low yields. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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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