1From Thomas Jefferson to David Rittenhouse, 19 July 1778 (Jefferson Papers)
I sincerely congratulate you on the recovery of Philadelphia, and wish it may be found uninjured...
2George Washington to David Rittenhouse, 3 June 1779 (Hamilton Papers)
Middlebrook [ New Jersey ] June 3, 1779 . Asks Rittenhouse to repair a Theodolite. Df , in...
3From George Washington to David Rittenhouse, 3 June 1779 (Washington Papers)
I beg leave to trouble you with a Theodolite which is a little out of repair and to request that...
4From George Washington to David Rittenhouse, 16 February 1783 (Washington Papers)
I have been honored with your letter of the 7th, and beg you to accept my sincere thanks for the...
5From Benjamin Franklin to David Rittenhouse, 15 December 1783 (Franklin Papers)
Reprinted from William Temple Franklin, ed., Memoirs of the Life and Writings of Benjamin...
6From Thomas Jefferson to David Rittenhouse, 11 November 1784 (Jefferson Papers)
The news of war inevitable in Europe will interest your philanthropy, otherwise it would scarcely...
7From Thomas Jefferson to David Rittenhouse, 25 January 1786 (Jefferson Papers)
Your favor of Sep. 28. came to hand a few days ago. I thank you for the details on the Southern...
8From Thomas Jefferson to David Rittenhouse, 18 September 1787 (Jefferson Papers)
I am now to acknolege the receipt of your favors of April 14. and June 26. as also of the 2d....
9From Thomas Jefferson to David Rittenhouse, 12 June 1790 (Jefferson Papers)
I know not what apology to make for the trouble I am about to give you. I am sure I must call...
10From Thomas Jefferson to David Rittenhouse, 1[5] June 1790 (Jefferson Papers)
I inclosed you, the day before yesterday a rough draught of the report I had prepared on the...