out the Barrow-in-Furness shipbuilder The Barrow Shipbuilding Company in 1897, acquiring its subsidiary the Maxim Nordenfelt Guns and Ammunition Company at the same time, to become Vickers, Sons & Maxim. Ordnance and ammunition made during this period, including World War I, was stamped V.S.M. The yard at Barrow became the "Construction Yard". With these acquisitions, Vickers could now produce a complete selection of products, from ships and marine fittings to armour plate and a whole suite of ordnance. In 1901 the Royal Navy's first submarine, Holland 1, was launched at the Naval Construction Yard. In 1902 Vickers took a half share in the famous Clyde shipyard John Brown & Company. Further diversification occurred in 1901 with the acquisition of a proposed business which was incorporated as The Wolseley Tool and Motor Car Company and in 1905 the goodwill and patent rights of the Siddeley car. In 1911 a controlling interest was acquired in torpedo manufacturer Whitehead & Company. Vickers Limited In 1911 the company name was changed to Vickers Ltd and expanded its operations into aircraft manufacture by the formation of Vickers Ltd (Aviation Department) and a Vickers School of Flying was opened at Brooklands, Surrey on 20 January 1912. In 1919, the British Westinghouse electrical company was taken over as the Metropolitan Vickers Electrical Company; Metrovick. At the same time they came into Metropolitan's railway interests. Reorganisation A reorganisation during 1926 led to the retention of the rolling stock group: Metropolitan Carriage wagon and Finance Company and The Metropolitan -Vickers Company and the disposal of: Vickers-Petters Limited, British Lighting and Ignition Company, the Plywood department at Crayford Creek, Canadian Vickers, William Beardmore and Co, and Wolseley Motors. Merger with Armstrong Whitworth In 1927, Vickers merged with Tyneside based engineering company Armstrong Whitworth to become Vickers-Armstrongs. Armstrong Whitworth had developed along similar lines to Vickers, expanding into various military sectors and was notable for their artillery manufacture at Elswick and shipbuilding at a yard at High Walker on the River Tyne. Armstrongs shipbuilding interests became the "Naval Yard", those of Vickers on the west coast the "Naval Construction Yard". Armstrong Whitworth Aircraft was not absorbed by the new company. In 1928, the Aviation Department became Vickers (Aviation) Ltd and soon after acquired Supermarine, which became the "Supermarine Aviation Works (Vickers) Ltd". In 1938, both companies were re-organised as Vickers-Armstrongs (Aircraft) Ltd, although the former Supermarine and Vickers works continued to