. 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. 779. AUTOMATIC FURNACE for hardening and tempering balls are picked up by the small shelf in the revolving hop-per, and tipped into the mouth-piece, and carried along by thecentral screw ; transferred intothe outer and hotter reversescrew carrier to the chut
. 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. 779. AUTOMATIC FURNACE for hardening and tempering balls are picked up by the small shelf in the revolving hop-per, and tipped into the mouth-piece, and carried along by thecentral screw ; transferred intothe outer and hotter reversescrew carrier to the chute, anddropped into a water bath. Thechamber is heated by gas jets,which can be regulated for tem-peratures suitable for hardeningor for drawing
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Keywords: ., bookauthorhiscoxga, bookcentury1900, bookdecade1910, bookyear1910
