was not until 1919 that the company made a concerted effort to enter the railway market. Contracts were obtained for the construction and supply of steam and diesel locomotives to railway systems in Britain and overseas, including those detailed in the following table. Armament Cannons and other armament were produced by the Elswick Ordnance Company, the armament division of Armstrong Whitworth. An especially notable example is the Armstrong 100-ton gun. See also List of car manufacturers of the United Kingdom References Bibliography Tapper, Oliver (1988). Armstrong Whitworth Aircraft since 1913. London:Putnam. . External links Tyne and Wear Archives Service , for records of the company Armstrong Whitworth diesel locomotives and railcars Brian Webb: Armstrong Whitworth: A World Diesel Pioneer - list of diesel locos ] Defunct motor vehicle manufacturers of England Former defence companies of the United Kingdom Defunct shipbuilding companies of the United Kingdom Defunct manufacturing companies of the United Kingdom Locomotive manufacturers of the United Kingdom Engineering companies of the United Kingdom Vintage vehicles Manufacturing companies established in 1847 Scotswood 1847 establishments in England Manufacturing companies disestablished in 1927 1927 disestablishments in England British companies disestablished in 1927 British companies established in 1874 British Shipbuilders