. 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. 1 H,^ r:^^ ^TT^T^j^cro /h1 762. CENTRIFUGAL SEPARA-TOR. The perforated basket and loadare hung on the spindle. E is a cup-shaped pulley, inside of which is a ball-socket journal box. The step bearing, ^, a,is also a ball socket in a spherical foot, bear-ing upon a sph


. 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. 1 H,^ r:^^ ^TT^T^j^cro /h1 762. CENTRIFUGAL SEPARA-TOR. The perforated basket and loadare hung on the spindle. E is a cup-shaped pulley, inside of which is a ball-socket journal box. The step bearing, ^, a,is also a ball socket in a spherical foot, bear-ing upon a spherical base w^ith a flangeon its rim to limit the eccentric swing ofthe spindle to accommodate the center ofgravity for an unequally balanced load. 763-at B to BLACKSMITHS HELPER. The hammer handle is pivotedthe head of a vertical shaft, C, that is fitted in a socket. The lower end of the shaft has a step inthe lever, F, which is pivoted to thehind leg of the stand, and extendsforward and alongside of the anvilblock. A bar, I, having a seriesof holes for fastening the lever atany point by a pin. An arm, M,is attached to the lower end of theshaft, C, over the lever, and is con-nected by a rod, N, to a lever, O,pivoted to the lever F. By movingthe lever, O, the shaft is turnedand the hammer swung along theface of the MILL AND FACTORY APPLIANCES AND TOOLS, ETC. 293 The hammer handle is connected to a foot lever, Q, by a cord, S ; acoiled spring is fitted, to be contracted when the hammer is forced down,for raising the hammer again. The spring bears against the head of theshaft, C, and the rod connects with the free end of the spring by an adjust-ing nut. The shaft, C, has a vertical, curved extension which supports acoiled buffer spring that arrests the hammer at the end of the up strokewithout shock or jar.


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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910