. 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. 342. AERIAL TOR A small windmill madeof any convenient material that is light. A stem atthe center to drop into the ring handle, on which thestring is wound. The rapid rotation mc^de by quicklypulling the string will force the top to a height of 150to 200 feet. There
. 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. 342. AERIAL TOR A small windmill madeof any convenient material that is light. A stem atthe center to drop into the ring handle, on which thestring is wound. The rapid rotation mc^de by quicklypulling the string will force the top to a height of 150to 200 feet. There should be a ring ot brass wirearound and fastened to the outside of thj fan to yg^veit momentum. 343. Ring handle as held in the hq,iiy. AIR-POWER MOTORS AND APPLIANCES. 141. 344. PNEUMATIC GRAIN ELE-VATOR. French. V, a duplex vacuum blower. T, the vacuum pipe. R, receiver with a wire screen coveringthe mouth of the draught pipe. S, delivery pipe. O, an air regulator covering the slots inthe end of the suction tube S, to regulatethe proportion of air and grain entering thetube. N, a diaphragm chamber to balance thesleeve O, and controlled by the vacuumpressure in the pipe S, through the smalltube /, /. By this pneumatic process of elevatinggrain, the dust is separated and dischargedthrough the blower and the grain is aeratedand dried.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
