worm through the handle A is I fitted with a gib to take up the wear. machinery, and realize that the saving of both time and money are possible in just those op- The shank B is of steel and is fitted to the erations for which the electric bench drill is hole in the V cap; it is held in position… … at which the- proper current is available. A Cincinnati company builds a number of port- Grinding and Butting- Motor in Use. The Portable Breast Drill Motor. used for internal grinding by removing on top of a column sliding in a socket the regular wheel and screwing the cast integrally with the…
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