1Thomas Jefferson’s Constitution for Proposed Agricultural Society of Albemarle, [ca. 1 February 1811] (Jefferson Papers)
...dividing the soil, holds the first place, and the Threshing machine an important one,
2To George Washington from James Anderson, 12 October 1796 (Washington Papers)
.... Anderson’s knowledge of Mercer’s threshing machine may have been obtained through Mercer’...
3To Thomas Jefferson from William Booker, 7 October 1796 (Jefferson Papers)
, whom TJ employed to build threshing machines, built one incorporating Booker’s improvements (
4To Thomas Jefferson from William Booker, 17 November 1796 (Jefferson Papers)
Inclosed is a drawing of the threshing Machine I promised you by Mr. Buck. I hope your...
5To George Washington from William Booker, 3 July 1797 (Washington Papers)
...Bill of Scantling and plank for a Threshing machine the Drum being 4 feet long & 4 feet...
6To George Washington from Edward Carrington, 30 June 1797 (Washington Papers)
...so fully manifests the advantages of those threshing machines, that Mr Booker is, I...
7To George Washington from Charles Carter, Jr., 2 July 1797 (Washington Papers)
...of engaging Mr Booker as Superintendant or Builder of yr threshing
Machine—Mr Booker has not...
8To James Madison from C. & A., & Co. Conrad, 27 June 1808 (Madison Papers)
Are there any threshing machines; what power is required; what is the cost;...
9James Deneale to Thomas Jefferson, 2 July 1820 (Jefferson Papers)
...for drying grain” in 1800, an improved threshing machine in 1804, a “perpetual oven” in...
10Benjamin B. Ford to Thomas Jefferson, 17 November 1809 (Jefferson Papers)
agriculture; threshing machines [index entry] ...B.; threshing machine invented by [...