Elisha Hall ? Metal Drill
This drill appears to be an improved version of a metal drill patented by Elisha Hall on Aug. 29, 1839. Patent No.1305. That patent being the second patent for a metal drill in the patent records. The first patent for a metal drill belongs to John H. Currier and Wing H. Tabor dated July 8, 1839. Patent No. 1224.
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