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David & William Henderson and Company was a Scottish marine engineering and shipbuilding company, based on Clydeside. The company was founded in 1872 and continued to operate until 1936. The company shipyard was on the northern banks of the River Clyde at the point where the River Kelvin joins the Clyde. The Office Buildings still exist and were owned and run as Haulage Businesses. Firstly as Duncan Barbour Ltd and then by Clyde Port Authority as Scotway Ltd.〔The company office buildings can be seen here under the heading Scotway House. http://www.dailyrecord.co.uk/news/local-news/pictures-glasgows-abandoned-buildings-set-3050555〕 The company was originally founded in 1835 as Tod and McGregor by David Tod and John Macgregor carrying out marine engineering work.〔(Tod and McGregor )〕 In 1844 an account is given (complete with drawings)〔"Direct-Action Steam-Engine Constructed for the River Steamer Invincible", The Practical Mechanic and Engineer's magazine, Sept 1844, pp307-309 and plates XVIII and XIX〕 of the engine they built for the river steamer Invincible. This was a 'steeple' type engine rated at 85hp, with 49in piston diameter, and 50in stroke. This directly drove the 16ft diameter paddle wheels, which were 5ft 8in wide. Running at 31.5 revolutions per minute this gave a speed of 13.5 miles per hour. ==External links== *(Grace's Guides - D. and W. Henderson and Co ) *(Grace's Guides - Tod & Macgregor ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「D. and W. Henderson and Company」の詳細全文を読む スポンサード リンク
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