. 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. per swings it back andforth when the separator isin operation so as to distributethe metal on the surface ofthe drum. An adjustablegrate is provided so as toregulate the flow of metalfrom the hopper. The lengthof the swing of the is adjustable. C
. 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. per swings it back andforth when the separator isin operation so as to distributethe metal on the surface ofthe drum. An adjustablegrate is provided so as toregulate the flow of metalfrom the hopper. The lengthof the swing of the is adjustable. Current is supplied to theelectro-magnets within thedrum through collector ringsand carbon brushes. Theflanges at the edges of thedrum keep the metal on thesurface. The mstal is stirredto aid in separation by two wires supported from the frame and extend-ing across in front of the cylindrical surface. The brush wheel whichremoves the iron from the cylinder has radial strips of sole leather securedbetween wooden blocks. This wheel rotates in the same direction asthe drum, but at a much higher speed. The bins into which the sepa-rated metals are dropped are situated within the frame and open atopposite ends of the separator so as to prevent the metals from becomingmixed in handling. ii II AdjustingScrew Feed Hopper Feed Gate. 723. QUARTZ PULVERIZER. Kent type. A revolving cyhnder ringinclosing three revolving rollers trav-eHng with the ring. Quartz from thecrusher is fed through the hopper atone side of the cylinder, and the finelypulverized material discharged at theother side. MINING DEVICES AND APPLIANCES. 279 724. ORE WASHING TOWER. The rock is delivered througha hopper to a vertical conductor, which has a series of inclined plates or aprons, A, and opposite perforated plates, B,the rock falling first upon one and then anotherof these plates in its passage downward throughthe conductor. Over the conductor is a rosenozzle, D, which showers water upon the rock,and opposite each
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