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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 222

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 222
r of the wheel. 823. SCREW PROPELLER. Four blades. Or-dinary form for heavy draft tugs and tow-boats. 824. SCREW PROPELLER, Griffithmodel. The inclination of the blades ismade adjustable, and they are attached toa rim outside from the hub. 825. SCREW PROPELLER, Hodgsonsmodel. The blades are curved… … 826. SCREW PROPELLER, the Ericsson model. A rim con-necting all the blades, supposed tocounteract the centrifugal tendencyof the water. 827. Side view. 2l6 NAVIGATION AND ROADS.

Mechanical movements

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