11Alrichs & Dixon to Thomas Jefferson, 19 August 1812 (Jefferson Papers)
cotton; carding machine [index entry]
12To Benjamin Franklin from ——— Maupin and Other Offerers of Goods and Schemes, 13 January 1784 (Franklin Papers)
...-funded construction in 1780 of a cotton-carding machine that was approved by the Academy...
13To Benjamin Franklin from Edmund Clegg, 24 April 1782 (Franklin Papers)
...more than me except the Management of that Cotton Carding Machine of which you saw a...