1Thomas Jefferson to Robert Patterson, 21 March 1811 (Jefferson Papers)
scientific instruments; telescopes [index entry]
2Thomas Jefferson to Henry A. S. Dearborn, 15 November 1811 (Jefferson Papers)
scientific instruments; telescopes [index entry]
3Thomas Jefferson to William Short, 26 April 1812 (Jefferson Papers)
scientific instruments; telescopes [index entry]
4Thomas Jefferson to Robert Patterson, 27 December 1812 (Jefferson Papers)
scientific instruments; telescopes [index entry]
5William Short to Thomas Jefferson, 18 January 1814 (Jefferson Papers)
scientific instruments; telescopes [index entry]
6Enclosure: Ferdinand R. Hassler’s List of Scientific lnstruments Procured for the United States Coast Survey, November … (Jefferson Papers)
scientific instruments; telescopes [index entry]
7Thomas Jefferson to Wilson Cary Nicholas, 19 April 1816 (Jefferson Papers)
scientific instruments; telescopes [index entry]
8John Wood to Thomas Jefferson, 2 February 1817 (Jefferson Papers)
scientific instruments; telescopes [index entry]
9Extract of Ellen W. Randolph (Coolidge) to Martha Jefferson Randolph, 18 August [1817], document 2 in a group of … (Jefferson Papers)
scientific instruments; telescopes [index entry]
10Thomas Jefferson to Robert Patterson, 18 October 1818 (Jefferson Papers)
scientific instruments; telescopes [index entry]