Close-up of self-feed mechanism. The self-feed mechanism was missing on this drill. I was able to make the missing parts [6 pieces] from the patent drawings.
Patent dates on C.W.Coe New No. 0 drill. Jan. 20, 1863 and Jan. 19, 1869. Patent numbers 37,433 and 86,001. C.W.Coe also had a patent for a drill, dated Dec. 7, 1852. Patent No. 9,441.