Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 178
619. MODERN WINDMILL.—Two series of concentric blades fastened to thepurlines of a braced radial frame. Theblades are fixed at an angle of about 35 ° tothe plane of the wheel. A peculiarly con-structed mechanism turns the wheel edge-wise to the wind to stop it, or to regulateits position in a high… … 620. ANCIENT WINDMILL and gear-ing for a two-stone flour mill. The windmillis turned toward the wind by a small wind-mill at right angles on the tail frame, withpinions and shaft connecting with a circularrack around the revolving dome. These mills,used for grinding grain, are the principalsource…
Mechanical movements
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