Philadelphia 3^d July 1800. Sir, The bearer of this letter is Uriah Tracy Esquire, Senator in Congress for the State of Connecticut. He goes to Pittsburg on public business, and may need your assistance; if so, you will promote the public interest, as well as serve a very worthy man, by affording it to him, in the most ample manner. Should M^r Tracy need introductory letters from you, to aid him in the further prosecution of his business, you will be pleased to furnish them. Your attention to him will lay me under new obligations — I am Sir, Your most obedient Servant Samuel Tingdon Major Isaac Craig