Bellnemus April 2d 1821
Through some neglect in the post offices your letters of the 19 Jany and 22d Feby both came to hand the first of last weak only—or I should sooner have had the pleasure of supplying the part from your Odometer
I now send herewith, a case containing the rod with the wheels (from the same moulds) already fixed, and have directed it to the care of the postmaster in Milton
If the rod should prove not to be precisely of the right length, your Smith with a little of your instructions can very easily adjust it—
DLC: Papers of Thomas Jefferson.