. 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. FOOT TREADLE 489. FEATHERINGBLADE foot-power propellerwith paddle blades to-y^^ hang over the sides at the/\ stern, or may be placed incouBSE^^F^PADDLE ^n cxtenslon at the stern,as shown in the longest movement ofthe paddle is when it isimmersed,


. 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. FOOT TREADLE 489. FEATHERINGBLADE foot-power propellerwith paddle blades to-y^^ hang over the sides at the/\ stern, or may be placed incouBSE^^F^PADDLE ^n cxtenslon at the stern,as shown in the longest movement ofthe paddle is when it isimmersed, and the pad-dle being vertical, there isno splash, sHp, or loss ofpropulsive effect arisingfrom the obhque action. 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 depth of


Size: 1913px × 1307px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910