its periphery in which " The proportions and the process of combination preferred potash, li ounce; sal-ammoniac, 1^ ounce ; manganese, 4-J- fit the movable jaws, C. These are threaded on the under by us are as follows : To twenty parts, by weight, of commi- ounces; charcoal, 7 ounces. To make… … ganese, 4 ounces; charcoal, 9 ounces ; SMITH'S PATENT DRILL CHUCK. salt, 3| ounces; alum, $ ounce. To make rifle steel, to a pot of 50 pounds, add potash, } ounce ; cined magnesia, and mix them together, with sufficient bit- covered by the case, D, held in place by the cap nut, E, which manganese,…
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