ses as well as for industrial uses is greatly to be desired. of the chamber in the wheel formed by the flange, the oil be- A novel apparatus which, according to La Nature, solves ing thrown outward by centrifugal force and led to the box. this problem has lately been devised by M. Henri Giffard, An… … YY VV \\' \\\ \\\ A ie ye! aT) AMA ' Sreveet! An improved Tunneling and Excavating Machine are always clear, and never choked by the material introduced at A and K. The ore furnace has doors has recently been patented, which is constructed at P P’, through which the lower portion of the with a…
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