Cable-stayed bridge are as follows: There are four major classes of rigging on cable-stayed bridges: "mono", "harp", "fan," and "star". There are also four arrangements for support columns: "single", "double", "portal" and "A-shaped". Depending on the design, the columns may be vertical or angled or curved relative to the bridge deck. A side-spar cable-stayed bridge uses a central tower supported only on one side. This design allows the construction of a curved bridge. Far more radical in its structure, the Puente del Alamillo (1992) uses a single cantilever spar on one side of the span, with cables on one side only to
American Cable and Radio Corporation American Cable and Radio Corporation American Cable and Radio Corporation was a communications holding company in the middle 20th century. Created in February 1940, it was a part of ITT World Communications, and operated what was known as the American Cable and Radio System, comprising All America Cables and Radio, the Commercial Cable Company, Mackay Radio, and the Sociedad Anonima Radio Argentina. The company was created, along with the All America Corporation and the Commercial Mackay Corporation, after the reorganization of the ITT subsidiary Postal Telegraph and Cable Corporation, which had gone into bankruptcy in 1935. The firm was active