credit to ing that shall be effectual and shall center the bobbin on the is seen in the accompanying engraving, where the grinding which the manufacture was exposed from the bad watches spindle as perfectly after it has been steamed as before, or emery wheel is shown by Fig. 6, the frame of the… … ness alone, is destructive to the unity necessary to produce a grinds the teeth to a uniform angle. It is made wholly of other drilling machines, The bobbin to be drilled is placed good watch ; hence, while lowness of price is a point of com- iron, in a substantial manner, and weighs, complete,…
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