Whereas, Jethro Wood, of Scipio, in Cayuga County, heretofore obtained letters patent for an improvement in the plough under the great seal of the United States, dated the first day of September, one thousand eight hundred and nineteen. : The specification attached to which letters patent is as follows - Wood, Jethro (s.n, 1819)
Shaw & Shoemaker, 50148. - Signed: Jethro Wood. Witnesses, Samuel L. Mitchell [i.e., Mitchill], J.G. Bogert