AMBRIDGE, a borough of Beaver county, Pa., U.S.A., on the Ohio river and the Pennsylvania railroad, 16 m. N.W. of Pitts burgh, opposite to the borough of Woodlawn. It lies on a wide plain, 7 5 5f t. above sea-level, and 7oft. above the river. The population in 1920 was 12,730, of whom 4,545 were foreign-born whites, and was 20,227 in 193o Federal census. Its factories in 1925 produced 575,798 tons of finished products, valued at $58,536,511, including such commodities as structural steel for bridges, build ings and barges; bare and insulated wire and cable; flexible steel conduit, carburettor tubing, asbestos-protected metal, electric conduit and fittings, pig-casting machines, cold finished steel, mining and coal-handling machinery, skylights and ventilators.
Within the boundaries of Ambridge is the former village of Economy, founded in 1824 by the Harmony Society, under its leader, George Rapp, the German Communist. Under Rapp and his successor, R. L. Baker, the community built up substantial agricultural and manufacturing industries; but after 4o or 5o years the rule of celibacy and the lack of fresh converts resulted in dwindling numbers, and in 1906 the society was disbanded. Many of the original buildings are still standing, including the Great House, which is now owned by the State of Pennsylvania and maintained as an historical museum.
Ambridge was incorporated as a borough from part of Harmony township in 1905. It has a city-manager form of government. AMBRIZ: see ANGOLA.