APPLETON, NATHAN , American merchant and politician, was born in New Ipswich (N.H.), Oct. 6, He was educated in the New Ipswich academy, and in 1794 en tered mercantile life in Boston, in the employment of his brother, Samuel (1766-1853), a successful and benevolent man of busi ness, with whom he was in partnership from I 800 to 1809. He co-operated with Francis C. Lowell and others in introducing the power-loom and the manufacture of cotton on a large scale into the United States, a factory being established at Waltham (Mass.) in 1814, and another in 1822 at Lowell (Mass.), of which city he was one of the founders. He was a member of the general court of Massachusetts in 1816, 1821, 1822, 1824 and 1827, and in 1831-33 and 1842 of the national House of Representatives, in which he was prominent as an advocate of protective duties. He died in Boston, July 14, 1861.