1To 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 Act of Congress passed the 2d of April 1794, and now held by Mr. Harris , become vacant; we would take the liberty of recommending Mr. George Ingel, of this place, as a suitable person for that office. For several years during our revolutionary war , and till the close of it, he served in a similar...
2To 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 the theory, and practice of navigation. The first may be considered the most entertaining, as furnishing a greater variety of objects for the employment of the mind; but the latter appears to have the advantage in usefulness. By navigation all portions of the world become connected, and constitute...
3To Thomas Jefferson from Andrew Ellicott, 26 May 1801 (Jefferson Papers)
I have enclosed three more sheets of my astronomical observations.—Pages 109, and 110, contain a critical examination of a meridian traced agreeably to one of the methods which I proposed some years ago in a small publication , with this difference, I had to take γ casiop. in the vertical above α ursæ minor. on account of our latitude being too far south to take it below.—Page 111 contains the...
4To Thomas Jefferson from Andrew Ellicott, 4 June 1801 (Jefferson Papers)
With this you will receive the last pages of my astronomical observations with an extra half sheet, which you will please to substitute in place of the first half sheet I sent you.—You will find on the 150th. page a determination of the geographical position of the south end of cumberland island, which is the extreeme southern inclination of the U.S. on the Atlantic.—For the references to...