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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 173

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 173
6i6. HEMISPHERICAL CUP WINDMILL.-^ The pressure of the wind is greater against the hol-low side of the cups than against the spherical side,and the mill rotates. Also used for anemometers. … 617. WINDMILL OF OUR GRAND-FATHERS, with reefing sails. A few still inuse in the United States. 618. WINDMILL AND STEEL TOWER.— Mill with a single series of blades. The tail-pieceis pivoted to the mill-head, and is swung around toturn the face of the mill from the wind by a governor. 619. MODERN…

Mechanical movements

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