HAND DRILL ALIGNMENT DEVICES AND METHODS OF MAKING AND USING THE SAME
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Abstract
THE PRESENT INVENTION RELATES TO BUBBLE TYPE ALIGNMENT DEVICES FOR USE IN UPON AND WITH HAND DRILLS COMPRISING BUBBLE TYPE LEVEL CHAMBERS APPROPRIATELY SHAPED AND OPERABLY MOUNTED TO A CONVENTIONAL HAND DRILL ALLOWING A FIRST SUCH LEVEL WHICH IS ALIGNED PARALLEL TO THE DRILL BIT AND A SECOND SUCH LEVEL WHICH IS ALIGNATED PERPENDICULAR TO THE FIRST.
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