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Drawing made from particulars supplied by Messrs C A Parsons and Co. Charles Parsons promoted the turbine as a smaller and more efficient alternative to the steam reciprocating engine. In the turbine, the expanding steam works continuously as it passes through many turbine stages. This gives far higher efficiency than was possible with the steam engine. The turbine combines freedom from vibration with the high speed suited to electrical generators. The turbine was also used in marine propulsion. In 1894 Parsons launched his first turbine-powered boat, the SS Turbinia, which reached previously-unattainable speeds of up to 34 knots. Get premium, high resolution news photos at getty

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