1To Thomas Jefferson from David Rittenhouse, 21 June 1790 (Jefferson Papers)
I received yours of the 12th. 14th. and 17th. together with the several papers mentioned, to...
2To Thomas Jefferson from David Rittenhouse, 25 June 1790 (Jefferson Papers)
Since my last letter (and not before) I have read Mr. Whitehursts Book on the Subject of...
3To Thomas Jefferson from David Rittenhouse, 2 July 1790 (Jefferson Papers)
I should not have troubled you with my Algebraical Calculations but for your present inconvenient...
4To Thomas Jefferson from David Rittenhouse, 4 January 1791 (Jefferson Papers)
Under the Building lately erected by the Philosophical Society there are very large and deep...
5To Thomas Jefferson from David Rittenhouse, 8 May 1791 (Jefferson Papers)
I thank you for a Sight of Mr. Randolph’s Letter. I must Confess I was pleased with Mr. Neville’s...
6To Thomas Jefferson from David Rittenhouse, [ca. 20 August 1791] (Jefferson Papers)
If we consider the same thing in the manner following we shall immediately perceive that the...
7To Thomas Jefferson from David Rittenhouse, 11 June 1792 (Jefferson Papers)
I have read over Mr. Keiths paper carefully, and endeavoured to make out his meaning. He has...
8To Thomas Jefferson from David Rittenhouse, 16 June 1792 (Jefferson Papers)
I have bargained with the owner for the House and Lot on Seventh Street, between Arch and Market...
9To Thomas Jefferson from David Rittenhouse, 27 November 1792 (Jefferson Papers)
The money granted by his Excellency the Presidents Warrant in July last being appropriated for...
10To Thomas Jefferson from David Rittenhouse, 28 November 1792 (Jefferson Papers)
By Act of Congress the Copper Coinage is limited to 150 Tons. This, counting the Ton to be 20...
11To Thomas Jefferson from David Rittenhouse, 29 December 1792 (Jefferson Papers)
I have inclosed four copies of a bill drawn by the Treasurer of the U.S. on Messrs. W. and J....
12To Thomas Jefferson from David Rittenhouse, 7 January 1793 (Jefferson Papers)
I have herewith enclosed the result of our Assays &c. of the Coins of France, England, Spain, and...
13Enclosure: Assay of Foreign Coins, 7 January 1793 (Jefferson Papers)
In 24 Grains specific gravity In 24 Grains specific gravity Fine Gold Alloy Fine Gold Alloy Date...
14To Thomas Jefferson from David Rittenhouse, 11 January 179[3] (Jefferson Papers)
Mrs. Rittenhouse is greatly obliged to you for your Valuable present. To me it is more acceptable...
15To Thomas Jefferson from David Rittenhouse, 25 March 1793 (Jefferson Papers)
I am again obliged to request you to make application to the President for a further Sum of money...
16Enclosure: Account of Expenditures for the Mint, [25 March 1793] (Jefferson Papers)
Account of Expenditures for the Purposes of The Mint of the United States Dolls. Cents For...
17To Thomas Jefferson from David Rittenhouse, [10 April 1793] (Jefferson Papers)
Mr. Misho called on me Yesterday, he wishes to know whether he is to prepare for his journey, and...
18To Thomas Jefferson from David Rittenhouse, 3 June 1793 (Jefferson Papers)
I was unwilling to ask a further Sum of money on account of the Mint until the Treasurer had...