1George Fleming to Thomas Jefferson, 30 October 1815 (Jefferson Papers)
machines; steam engine [index entry]
2Enclosure: George Fleming’s Drawing of a Steam Engine, [ca. 30 October 1815] (Jefferson Papers)
machines; steam engine [index entry]
3Enclosure: George Fleming’s Description of a Steam Engine, [ca. 30 October 1815] (Jefferson Papers)
machines; steam engine [index entry]
4George Fleming to Thomas Jefferson, 10 February 1816 (Jefferson Papers)
machines; steam engine [index entry]