Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 863
and at the required height, often directly, but sometimes a simple contrivance, consist-ing of a weighted lever, intervenes, by which the shuttle can be adjusted by a cord brought inside ofthe building. In the higher class of wheels, and especially when great steadiness of motion is required,the…
Mechanical engineering · Mechanics · Engineering
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