Delaware Annapolis Convention, 1786. Member Continental Congress, 1787-1788. Assistant secretary of treasury, United States 1789-1792.
United States commissioner revenue, 1792-1797. United States purveyor of public supplies, 1803-1812. President Pennsylvania Society Encouragement of Manufacturers and Useful Arts.
One of 1st to urge cultivation of cotton as a staple in the South, also active in promotion of cotton manufacture. Author: An Examination of the Constitution of the United States, 1788. View of The United States, 1794.