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 661
1 1 a a 1 r^* HI * W- -.1 •■-■■ ,? … stream when the flow is small; which, in case of floods, are removed to give free vent to the surplus.In case of low water, therefore, they maintain the head, and in case of freshets, there is less obstructior. FLAX, MACHINERY FOR PREPARING AND SPINNING. 059 and less danger from flowage than if the…
Mechanical engineering · Mechanics · Engineering
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