Pontoon bridge unprecedented 730-meter, fortified pontoon bridge across the Scheldt river at the Siege of Antwerp in 1584 to close off water access to the city. In the battle of Saraighat in 1671, the Ahoms spanned the river Brahmaputra at Saraighat over an improviso bridge of boats. In the 1670s, the French devised the copper pontoon; after this point, rivers and canals ceased to present significant obstacles. The early modern period in pontoon use was dominated by the wars of the 18th and 19th centuries during which the art and science of pontoon bridging barely changed. This however did not stop all
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