ries a worm engaging with the worm made of the best materials and in a workmanlike manner. Skating has become a popular amusement for young and wheel, F, and turning with the shaft, G, by means of a fixed The letters patent, granted through the Scientific American Patent Agency to O. G. Brady, date… … It is evident to the practical mechanic that not only the in this country has, within a few years, assumed va transverse movement of the cutter head can be controlled by cise of patience, and provokes a disposition to profanity. If tions, and the skate itself has been greatly improved in ma- an…
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