1Godefroi Du Jareau to Thomas Jefferson, 23 July 1810 (Jefferson Papers)
machines; water-raising [index entry]
2Godefroi Du Jareau to Thomas Jefferson, 3 August 1810 (Jefferson Papers)
machines; water-raising [index entry]
3Charles Willson Peale to Thomas Jefferson, 14 November 1814 (Jefferson Papers)
machines; water-raising [index entry]
4William Thornton to Thomas Jefferson, 11 January 1815 (Jefferson Papers)
machines; water-raising [index entry]