1To Thomas Jefferson from Andrew Ellicott, 10 October 1801 (Jefferson Papers)
I have enclosed the observations made by Mr. Patterson and myself on the lunar eclipse of...
2To 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...
3To Thomas Jefferson from Andrew Ellicott, 21 December 1800 (Jefferson Papers)
Among all those who will address you upon the fortunate issue of the late election for President,...
4To Thomas Jefferson from Andrew Ellicott, 18 April 1803 (Jefferson Papers)
A few days ago I received a letter from Mr. John Vaughan from which the following is an extract,...
5To Thomas Jefferson from Andrew Ellicott, 18 January 1801 (Jefferson Papers)
The first part of the fifth volume of the transactions of our Philosophical Society is now with...
6To Thomas Jefferson from Andrew Ellicott, 11 May 1802 (Jefferson Papers)
This will be handed to you by Mr. Dinsmore , who was several years our Agent in the Cherokee...
7To Thomas Jefferson from Andrew Ellicott, 7 February 1802 (Jefferson Papers)
Your favour of the 29th. Ultimo has been duly received, and the proposition which it contains, I...
8To Thomas Jefferson from Andrew Ellicott, 14 February 1802 (Jefferson Papers)
If the following proposed arrangement, for executing the Office of Surveyor General of the United...
9To Thomas Jefferson from Andrew Ellicott, 23 December 1800 (Jefferson Papers)
After writing, and sealing the enclosed, your favour of the 18th. came to hand.—I am much pleased...
10To Thomas Jefferson from Andrew Ellicott, 17 October 1800 (Jefferson Papers)
I wrote to you soon after my arrival in this City last May, but having received no answer, I...
11To Thomas Jefferson from Andrew Ellicott, 18 August 1801 (Jefferson Papers)
Immediately upon my return from the City of Washington I began the reduction of my Charts to a...
12To Thomas Jefferson from Andrew Ellicott, 23 March 1792 (Jefferson Papers)
Mr. Ellicott sends his compliments to Mr. Jefferson, and requests the favour of him to replace...
13XII. Andrew Ellicott to the Secretary of State, [14 February 1791] (Jefferson Papers)
I arrived at this Town on Monday last but the Cloudy weather prevented any observations being...
14To Thomas Jefferson from Andrew Ellicott, 29 December 1801 (Jefferson Papers)
I have enclosed a few astronomical observations ; they are principally intended to determine by...
15To Thomas Jefferson from Andrew Ellicott, 25 September 1797 (Jefferson Papers)
It is with real pleasure that I embrace this opportunity of congratulating you, on the elevated,...
16To Thomas Jefferson from Andrew Ellicott, 6 March 1803 (Jefferson Papers)
Your agreeable favour of the 26th . Ult has been duly received, and the contents noted.—I shall...
17To Thomas Jefferson from Andrew Ellicott, 18 August 1806 (Jefferson Papers)
I have accompanied this with a copy of my observations on the eclipse of the sun on the 16th. of...
18To Thomas Jefferson from Andrew Ellicott, 6 October 1805 (Jefferson Papers)
I have lately received from the national institute of france the documents collected by order,...
19To Thomas Jefferson from Andrew Ellicott, 1 December 1803 (Jefferson Papers)
For some time past Mr. William Barton, and myself, have been objects of abuse in Mr. Duane’s...
20To Thomas Jefferson from Andrew Ellicott, 28 May 1800 (Jefferson Papers)
I arrived in this City a few days ago after an absence of three years and eight months: On my...
21To Thomas Jefferson from Andrew Ellicott, 2 November 1801 (Jefferson Papers)
I have forwarded by the bearer Mr. Brown the notes to accompany the map which I informed you some...
22To Thomas Jefferson from Andrew Ellicott, 19 December 1803 (Jefferson Papers)
A few days ago I received a letter from Mr. Livingston our Minister at Paris, which contains some...
23To Thomas Jefferson from Andrew Ellicott, 20 March 1801 (Jefferson Papers)
I have enclosed the first 12 pages of my astronomical observations :—you will perceive they are...
24Andrew Ellicott to Thomas Jefferson, 3 June 1812 (Jefferson Papers)
I have just returned from determining the long disputed boundary between the states of Georgia ,...
25To Thomas Jefferson from Andrew Ellicott, 16 May 1801 (Jefferson Papers)
No two branches of science have been so much improved the last two centuries as chemistry, and...
26To Thomas Jefferson from Andrew Ellicott, 30 November 1791 (Jefferson Papers)
Yours of the 21st. has come safe to hand, but I defered answering it immediately, expecting Major...
27To Thomas Jefferson from Andrew Ellicott, 11 May 1802 (Jefferson Papers)
I ask pardon for not furnishing you sooner with the method I use for calculating the rising and...
28Remarks on Observations with a Sextant, 18 April 1803 (Jefferson Papers)
By a practice of more than twenty years, I have constantly found water preferable to any other...
29To Thomas Jefferson from Andrew Ellicott, 26 November 1792 (Jefferson Papers)
I have taken the liberty of sending you an Almanac for the year 1793, which I calculated, and...
30To Thomas Jefferson from Andrew Ellicott, 13 April 1801 (Jefferson Papers)
I have accompanied this by a few sheets of my observations, they contain an account of the work...