. 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. 305. DOUBLE-PORTED NOZZLE andvalve for impact water wheels. In graduating theflow of water by closing one nozzle the full velocityof the water jet may be retained and the wheeloperated at full speed with half the power. The normal speed of wheels of the impact classis
. 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. 305. DOUBLE-PORTED NOZZLE andvalve for impact water wheels. In graduating theflow of water by closing one nozzle the full velocityof the water jet may be retained and the wheeloperated at full speed with half the power. The normal speed of wheels of the impact classis at one-half the velocity of the water at theirperipheries for best 306. FLEXIBLE BALL JOINT, which canbe packed with any kind of packing held in placeby rings and springs. This design prevents sand or grit getting intothe joint bearings and causing leaks. Tubbs patent- I30 HYDRAULIC TOWER AND APPLIANCES. 307. IRON SLUICE GATE. Type of designsused for water works, power plants, and irrigation sys-tems. Easily bolted to a wooden flume or anchoredto masonry. A water works type for the largest gates.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
