1To Benjamin Franklin from David Colden, 30 November 1772 (Franklin Papers)
AL (draft ): New-York Historical Society The attention you pay to every Invention that promises either utility or amusement to Mankind induces Me to communicate to you a very simple Machine which I have made this Year for sowing Seeds in Rows. I am happy in haveing an opportunity of addressing you upon any Thing that may be worth your Notice; If it shall prove of no real value to others, it...