ISTING AUGERS. into the hole, till the op- the requisite stiffness and erator feels that it touches strength. The point end is so smooth that it can be at once put on the emery j the liquid. A slow match is affixed to this cartridge, of the auger is inserted in a transverse slot—not wheel. | and… … by reference té Fig. 2, that the faces of the jaws are very small quantity will cause violent headache.— dies, exactly corresponding to the twist of the auger. London Mining Journal. Patented May 22, 1866, by Messrs. Grier & Boyd, The complete operation, from the time the blank is Hulton, Alleghany…
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