Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 323
rtion a b, Fig. 920, is in action upon the chain. In order to cause the ring-rail to rise upwards with the increased velocity necessary to prevent the yarnfrom piling too much in one place, aad thereby destroying the conical form of each layer of yarn, thecam i*, lever k*, and roll to, are used,…
Mechanical engineering
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