11From George Washington to Thomas Jefferson, 21 August 1791 (Washington Papers)
...farm, to see the operation of Colo. Anderson’s threshing Machine....the new threshing machine...
12To Thomas Jefferson from George Washington, 21 August 1791 (Jefferson Papers)
Anderson’s threshing machineAnderson’s threshing machine
13To George Washington from Tobias Lear, 2 October 1791 (Washington Papers)
...GW’s inspection on 22 Aug. of Alexander Anderson’s threshing machine, see
14From Thomas Jefferson to Thomas Pinckney, 24 June 1792 (Jefferson Papers)
...as to procure a model of those parts of the threshing machine (spoken of in
15From Thomas Jefferson to Thomas Pinckney, 8 November 1792 (Jefferson Papers)
...trouble you with the commission for the threshing machine, which I shall be happy to recieve...
16Memorandum Books, 1793 (Jefferson Papers)
...the drum and beater type of threshing machine which, with its modifications, has been...
17To George Washington from Georg F. Wehrs, 25 January 1793 (Washington Papers)
...of me a Draught of an advantageous Threshing-machine for Your Excellency, I, without...
18To Thomas Jefferson from Thomas Pinckney, 10 February 1793 (Jefferson Papers)
...inquiries I have found one of the threshing Machines at no great distance from this City....
19To Thomas Jefferson from Thomas Pinckney, 13 March 1793 (Jefferson Papers)
...by Mr. Marshall the model of a threshing machine which a mechanic promised to finish by...
20To James Madison from James Maury, 9 April 1793 (Madison Papers)
...also gave JM a description of an English threshing machine, an invention that was currently of...