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You searched for: “agriculture; threshing machines”
Results 21-28 of 28 sorted by editorial placement
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No. Author Recipient Title Date Context
21 Hepburn, Alexander Alexander Hepburn’s List of Materials for Work at … 1819-10-08 agriculture; threshing machines [index entry] 
22 Jefferson, Thomas Thomas Jefferson’s Notes on Alexander Hepburn’s Poplar … 1819-10-08 agriculture; threshing machines [index entry] 
23 Jefferson, Thomas Thomas Jefferson’s Calculation of Timber Needed by … 1819-10-08 agriculture; threshing machines [index entry] 
24 Yancey, Joel Jefferson, Thomas Joel Yancey to Thomas Jefferson, 8 October 1819 1819-10-08 agriculture; threshing machines [index entry] 
25 Yancey, Joel Jefferson, Thomas Joel Yancey to Thomas Jefferson, 14 October 1819 1819-10-14 agriculture; threshing machines [index entry] 
26 Jefferson, Thomas Peyton, John Howe Thomas Jefferson to John H. Peyton, 17 December 1819 1819-12-17 agriculture; threshing machines [index entry] 
27 Jefferson, Thomas Yancey, Joel Thomas Jefferson to Joel Yancey, 12 May 1820 1820-05-12 agriculture; threshing machines [index entry] 
28 Jefferson, Thomas Hepburn, Alexander Thomas Jefferson to Alexander Hepburn, 20 May 1820 1820-05-20 agriculture; threshing machines [index entry]