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Evan Leigh (21 December 1810 – 2 February 1876) was an author, inventor, engineer and manufacturer of cotton spinning equipment. His invention of the twin screw for steam ships was patented in July 1849 and taken up both for mercantile and Royal Navy fleets. ==Biography== He was born in Ashton-under-Lyne, Lancashire. He was the son of Peter Leigh, a cotton mill owner. Upon leaving school aged 16 he spent two years in Europe studying and observing engineering and science. When he returned home he took up employment in the family's cotton spinning mill. After about 25 years he retired from cotton spinning and took up the manufacture of cotton spinning machinery. He patented among other things the Self Stripping Engine, the Derby Doubler or Lap Machine and the Loose Boss Top Roller. Supplying machines world wide from his Collyhurst Works in Miles Platting, Manchester after moving from Cotton Street, Ashton-under-Lyne. In 1870 he published a pamphlet: "A plan for conveying railway trains across the Straights of Dover". In 1871 he published: "The Science of Modern Cotton Spinning". Evan Leigh died at his home: Clarence House, Chorlton-on-Medlock after a bout of chronic bronchitis on Wednesday, 2 February 1876 aged 65. A portrait of Evan Leigh is in the possession of the National Portrait Gallery in London. 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「Evan Leigh」の詳細全文を読む スポンサード リンク
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