1From Benjamin Franklin to David Rittenhouse, 15 December 1783 (Franklin Papers)
Reprinted from William Temple Franklin, ed., Memoirs of the Life and Writings of Benjamin...
2From Alexander Hamilton to David Rittenhouse, 16 June 1794 (Hamilton Papers)
[ Philadelphia, June 16, 1794. On June 20, 1794, Rittenhouse wrote to Hamilton : “On receiving...
3From Thomas Jefferson to David Rittenhouse, 6 September 1793 (Jefferson Papers)
Th: Jefferson presents his friendly respects to Mr. Rittenhouse. He has two young ladies at his...
4From Thomas Jefferson to David Rittenhouse, 1 August 1790 (Jefferson Papers)
I do myself the honour of inclosing you a printed copy of the report on measures &c. You asked in...
5From 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...
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, 1[5] June 1790 (Jefferson Papers)
I inclosed you, the day before yesterday a rough draught of the report I had prepared on the...
8From Thomas Jefferson to David Rittenhouse, 22 February 1791 (Jefferson Papers)
Th: Jefferson will be obliged to Mr. Rittenhouse to inform him who has the best assorted shop of...
9From Thomas Jefferson to David Rittenhouse, 8 June 1792 (Jefferson Papers)
Th: Jefferson incloses to Mr. Rittenhouse the first criticism which has come to his hands on the...
10From Thomas Jefferson to David Rittenhouse, 11 April 1793 (Jefferson Papers)
I received yesterday your note on the subject of Michaud’s instructions, and think it would be...
11From 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....
12From Thomas Jefferson to David Rittenhouse, 30 June 1790 (Jefferson Papers)
Your favor of the 25th. came to hand last night, for which I give you many thanks. The conversion...
13From Thomas Jefferson to David Rittenhouse, 20 June 1790 (Jefferson Papers)
I inclosed you on the 17th. the alterations I had made in my report in consequence of the Bp. of...
14From Thomas Jefferson to David Rittenhouse, 8 May 1791 (Jefferson Papers)
You mentioned to me once, information which you had recieved and which satisfied you that the...
15George Washington to David Rittenhouse, [9 July 1792] (Jefferson Papers)
Having had under consideration the letter of the Director of the mint of this day’s date, I...
16From 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...
17From Thomas Jefferson to David Rittenhouse, 7 January 1793 (Jefferson Papers)
Th: Jefferson, beginning to pack his useless furniture, finds nothing more so than the article he...
18From Thomas Jefferson to David Rittenhouse, 3 July 1796 (Jefferson Papers)
The inclosed letter has been misdirected to me. The services therein offered are for the...
19From Thomas Jefferson to David Rittenhouse, 12 August 1792 (Jefferson Papers)
At my departure from Philadelphia, I said nothing to you about the Equatorial instrument ,...
20From 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...
21From Thomas Jefferson to David Rittenhouse, 24 February 1795 (Jefferson Papers)
The inclosed letter to mr Madison covers two to the President & secretary of state, which were...
22From Thomas Jefferson to David Rittenhouse, 26 June 1790 (Jefferson Papers)
Your favor of the 21st. came duly to hand, and I admit all your corrections with great...
23From Thomas Jefferson to David Rittenhouse, 6 November 1793 (Jefferson Papers)
You will recieve herein inclosed the bill of lading and invoice for between 9. and 10. tons of...
24From Thomas Jefferson to David Rittenhouse, 19 March 1791 (Jefferson Papers)
I have to regret that having rode into the country yesterday afternoon, I did not return till it...
25From Thomas Jefferson to David Rittenhouse, 4 April 1793 (Jefferson Papers)
Th:J. returns to Mr. Rittenhouse the treatise of De la Sauvagere and Keith’s pamphlet which he...
26From Thomas Jefferson to David Rittenhouse, 21 March 1793 (Jefferson Papers)
Th: Jefferson with the approbation of the President begs leave to draw the attention of Mr....
27From Thomas Jefferson to David Rittenhouse, [21 March 1791] (Jefferson Papers)
Th: Jefferson sends to Mr. Rittenhouse Bp. Watson’s essay on the subjects of chemistry, which is...
28From George Washington to David Rittenhouse, 9 July 1792 (Washington Papers)
Having had under consideration the letter of the Director of the mint of this day’s date, I...
29From 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...
30From 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...