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Mechanical movements, powers, devices and appliances; (1903)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 224

An illustration from Mechanical movements, powers, devices and appliances;, 1903, leaf 224 — 822. OUTWARD THRUST PROPELLERWHEEL,—The blades pitch forward to throw thewater outward as well as backward, to increasethe thrust or power 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… … 825. SCREW PROPELLER, Hodgsons model. The blades are curved backward to prevent the can.trifugal direction of the water when passing the blades.Claims on fore-and-aft direction of blades by inventors,are not in harmony with the best practice in propellerdesign.

Mechanical movements

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