ints, as being secured thereto by the bolt, E, and the screw, Qoy making the roller, B, about one-half the diameter of B, can be run in or out, so as to allow the opening the whole job out of x A; and making the driving pulley twice the diamete to be varied at will, as shown in the engraving. For… … other suitable stool, the wheel and no gearing. But those machines with no gearing are not intended to be used as_ breakers ex- some and substantial head, as compared with the thereby; a full head of gas can only be turned on by cept for desulphurized ores, or for hard quartz, after bad jobs which…
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