1To Thomas Jefferson from Robert Patterson, 18 December 1790 (Jefferson Papers)
You will not, I am persuaded, be displeased with any hint, though from one who has not the honour...
2To Thomas Jefferson from Robert Patterson, 29 March 1798 (Jefferson Papers)
The drawings, model, and description of your mold-board of least resistance , which you have been...
3To Thomas Jefferson from Robert Patterson, 25 March 1800 (Jefferson Papers)
I take the liberty of introducing the bearer Mr. Smith an acquaintance of mine from Bucks county....
4To Thomas Jefferson from Robert Patterson, 2 January 1801 (Jefferson Papers)
I duly received your favour of the 10th. of last month, and communicated your desire to the...
5To Thomas Jefferson from Robert Patterson and Andrew Ellicott, 9 May 1801 (Jefferson Papers)
Should the office of Superintendant of the military stores of the United States, created by an...
6To Thomas Jefferson from Robert Patterson, 8 June 1801 (Jefferson Papers)
Relying on your known goodness—I have taken the liberty of thus introducing the bearer, Mr. John...
7To Thomas Jefferson from Robert Patterson, 19 December 1801 (Jefferson Papers)
The art of secret writing, or, as it is usually termed, writing in cypher , has occasionally...
8To Thomas Jefferson from Robert Patterson, 12 April 1802 (Jefferson Papers)
I have been honored with your favour of the 22d Ult. and feel, with a lively sense, the...
9To Thomas Jefferson from Robert Patterson, 17 April 1802 (Jefferson Papers)
I had the honour, a few days ago , of mentioning to you an interesting experiment which Mr. R....
10To Thomas Jefferson from Robert Patterson, 24 April 1802 (Jefferson Papers)
Agreeably to the directions in your favour of the 17th I am getting a stand made for the sextant...
11To Thomas Jefferson from Robert Patterson, 1 November 1802 (Jefferson Papers)
It was not till the day before yesterday that, upon coming to the city, I received your favour of...
12To Thomas Jefferson from Robert Patterson, 15 March 1803 (Jefferson Papers)
I have been honoured with your favour of the 2d. and thank you for your confidence, which I will...
13To Thomas Jefferson from Robert Patterson, 18 June 1803 (Jefferson Papers)
I recommended to Capt. Lewis, the use of a statistical Table , in which to set down his...
14To Thomas Jefferson from Robert Patterson, 18 April 1804 (Jefferson Papers)
Understanding from the Secretary at War to Dr. Hunter of this expedition is fitting out for the...
15Robert Patterson to Thomas Jefferson, 10 May 1809 (Jefferson Papers)
My younger son, Robert Maskill , having gone thro the usual course of collegiate studies in our...
16Robert Patterson to Thomas Jefferson, 6 July 1809 (Jefferson Papers)
I have the pleasure to inform you, that the people of Passamaquoddy are now furnished with a new...
17Robert Patterson to Thomas Jefferson, 18 August 1810 (Jefferson Papers)
I am directed, by the Philosophical Society , to acknowledge the reciept (under cover from you)...
18Robert Patterson to Thomas Jefferson, 12 March 1811 (Jefferson Papers)
Agreeably to your desire I send herewith Garnetts’ Nautical Almanacs for the years 11. & 12—&...
19Robert Patterson to Thomas Jefferson, 23 September 1811 (Jefferson Papers)
Some days ago, I received your favour of the 11 , with the French poem on Astronomy. The Society...
20Robert Patterson to Thomas Jefferson, 11 November 1811 (Jefferson Papers)
Presuming that you may not as yet have seen a little tract, by Doctor Buchanan , on “Christian...
21Robert Patterson to Thomas Jefferson, 10 January 1812 (Jefferson Papers)
I have rec d & read your interesting communication of the 10 th Nov r with great satisfaction,...
22Robert Patterson to Thomas Jefferson, 30 November 1812 (Jefferson Papers)
At length M r Voigt has finished your timepiece. The delay, notwithstanding repeated...
23Robert Patterson to Thomas Jefferson, 12 January 1813 (Jefferson Papers)
This day I had prepared to ship your Time-piece &c on board the Happy Return , Capt Hand , for...
24Robert Patterson to Thomas Jefferson, 25 March 1813 (Jefferson Papers)
Your time-piece has been packed up, ready for shipment, in the manner you directed, for a...
25Robert Patterson to Thomas Jefferson, 24 April 1813 (Jefferson Papers)
I have to acknowledge the receipt of your esteemed favour of the 8 th . Your time-piece,...
26Robert Patterson to Thomas Jefferson, 25 August 1815 (Jefferson Papers)
It requires an apology that I have not before now sent you the Time-Piece, which has been so long...
27Robert Patterson to Thomas Jefferson, 24 October 1815 (Jefferson Papers)
I have been favoured with your letter of the 13 th & shall immediately take measures to send on...
28Robert Patterson to Thomas Jefferson, 24 November 1815 (Jefferson Papers)
The Author of this Synopsis (formerly Secretary of Congress) desires me to send you, by this...
29Robert Patterson to Thomas Jefferson, 28 November 1815 (Jefferson Papers)
A pretty severe attack of the prevailing epidemic, with a good deal of sickness in the family,...
30Robert Patterson to Thomas Jefferson, 2 December 1815 (Jefferson Papers)
M r Hassler has just transmitted to the Sec’y of the Treasury , a descriptive list of the...
31Robert Patterson to Thomas Jefferson, 20 June 1816 (Jefferson Papers)
You have no doubt been informed, at least thro the medium of News-papers, of M r Peale ’s...
32Robert Patterson to Thomas Jefferson, 13 December 1816 (Jefferson Papers)
A considerable time ago, you made some enquiries relative to a good clock & watch-maker , who,...
33Robert Patterson to Thomas Jefferson, 23 January 1819 (Jefferson Papers)
Sometime in the beginning of winter, a young gentleman, M r Trist , I believe, brought me a...
34Robert Patterson to Thomas Jefferson, 6 March 1819 (Jefferson Papers)
You are most respectfully requested to accept the accompanying ‘Treatise of practical...
35Robert Patterson to Thomas Jefferson, 13 January 1820 (Jefferson Papers)
In one of this morning’s papers, [The Aurora,] I observe the copy of a letter from you to M r...
36To Thomas Jefferson from Robert Patterson, 19 July 1823 (Jefferson Papers)
I have been favoured with your letter of the 8 th accompanied with a few printed sheets of...
37To Thomas Jefferson from Robert Patterson, 30 April 1805 (Jefferson Papers)
Your unexpected & very flattering favour of the 27th. demands my most grateful acknowledgements....
38To Thomas Jefferson from Robert Patterson, 29 June 1805 (Jefferson Papers)
On the receipt of your favour of the 13th. announcing the resignation of Mr. Boudinot, and your...
39To Thomas Jefferson from Robert Patterson, 23 November 1805 (Jefferson Papers)
I have been honoured with your favour of the 16th. inclosing a method of finding the longitude...
40To Thomas Jefferson from Robert Patterson, 14 December 1805 (Jefferson Papers)
A Committee from the Directors of the Bank of the United States have represented to me, as...
41To Thomas Jefferson from Robert Patterson, 16 December 1805 (Jefferson Papers)
The Theodolite, which by advice from Mr. Freeman I purchased of Mr. Biggs, is carefully packed...
42To Thomas Jefferson from Robert Patterson, 30 December 1805 (Jefferson Papers)
Some years ago, I remember to have laid before you a scheme of secret writing , which you were...
43To Thomas Jefferson from Robert Patterson, 3 January 1806 (Jefferson Papers)
Agreeably to former practice, I have the honor, at the commencement of the present year, to lay...
44To Thomas Jefferson from Robert Patterson, 3 March 1806 (Jefferson Papers)
I beg leave to introduce to your notice Mr. Hassler, a Gentleman lately from Switzerland. He is a...
45To Thomas Jefferson from Chandler Price, 8 March 1806 (Jefferson Papers)
I am informed Mr Patrick Ysnardi Son of Joseph Ysnardi Esqr. American Consul at Cadiz, is now on...
46To Thomas Jefferson from Robert Patterson, 25 June 1806 (Jefferson Papers)
The bearer, Mr. Alexr Stuart, is about to remove from this city to the Havanna in the line of...
47To Thomas Jefferson from Robert Patterson, 4 July 1806 (Jefferson Papers)
At the desire of the author, I have the pleasure of transmitting you the enclosed pamphlet, which...
48To Thomas Jefferson from Robert Patterson, 14 October 1806 (Jefferson Papers)
Mr. Adam Eckfeldt, being a skilful mechanic, was employed by Mr. Rittenhouse, when director of...
49To Thomas Jefferson from Robert Patterson, 21 October 1806 (Jefferson Papers)
According to your desire I have sent you by post, N. As. for 98. 99. 06. 07. & 08 The two...
50To Thomas Jefferson from Robert Patterson, 25 October 1806 (Jefferson Papers)
The inclosed is subjoined, by way of appendix to the 1st vol of an American edition of Adams’s...