is a toothed wheel thatgears with a beveled pinion attached to a thumb bit fittedon a stud projecting from the end of the bracket; by turn-ing the thumb bit the bar canbedrawn along the drill chuck,E. The lower eud of the bar carries a bracket, N, thatserves for a work table, the work being placed… … HARDISTYS IMPROVED BREAST DRILL. be clamped to it by bars, as clearly shown in Fig. 2, or avise may be secured to the bracket, N, as in Fig. 3, forholding the work by that means. This bracket is fitted tothe bar with a binding screw so as to be shifted accordingto the size of the piece to be…
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