Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 970
WINDMILLS. 935 adjustable weight C on the vane-arm allows of the resistance of the vane being nicely regulated, sothat the vane will not become horizontal until the wind attains a force likely to injure the wheel.The wheel can be turned edgewise to the wind by hand through the rod A, which is… … nected with it. To this rod a chain is attached, which after passing over a pulley leads down to alever near the ground. Experiments on Windmills.—The most trustworthy experiments to determine the best shape ofsail for a given area of surface are those made by Mr. John Smeaton. These have led to…
Mechanical engineering -- Dictionaries
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