Here is another user-made drill that has a commercially-made look to it. The spindle has a proprietary bit-mounting mechanism somewhat like the Yankee push drills, where the bits have a semi-cylindrical step. The main gear wheel was made by casting from a roughly finished pattern. The breast plate is a nice casting. The two handles have the same nice pattern and are well made. From Rennninger's Adamstown, PA flea market about 1976.
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