Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 197
196 NAVIGATION, VESSELS, MARINE APPLIANCES, ETC. 489. FEATHERINGBLADE PROPELLER.A foot-power propellerwith paddle blades tohang over the sides at thestern, or may be placed inan extension at the stern,as shown in the cuts.The longest movement ofthe paddle is when it isimmersed, and the pad-dle… … FOOT TREADLE 490. The curve traversed by the edge of the paddle. 491. The extension of the paddle box. 492. Crank shaft and foot treadle connections. 493. Blade and crank connection. 494. TWENTY-FIVE-FOOT LAUNCH. Fast type with positivesubmerged wheel, 5 feet beam, light draught hull with wheel…
Mechanical movements
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