Turbine waterwheels. Gas, steam, and water turbines have a casing around the blades that contains and controls the working fluid. Credit for invention of the steam turbine is given both to Anglo-Irish engineer Sir Charles Parsons (1854–1931) for invention of the reaction turbine, and to Swedish engineer Gustaf de Laval (1845–1913) for invention of the impulse turbine. Modern steam turbines frequently employ both reaction and impulse in the same unit, typically varying the degree of reaction and impulse from the blade root to its periphery. The word "turbine" was coined in 1822 by the French mining engineer Claude Burdin from the
SS Montrose (1897) SS Montrose (1897) SS "Montrose" was a transatlantic ocean liner for Elder, Dempster & Company and the Canadian Pacific Steamship Company. She was the vessel on which Hawley Crippen and his lover, Ethel Le Neve, fled England after Crippen's wife was murdered. A ocean liner with a , "Montrose" was built by Sir Raylton Dixon & Co. of Middlesbrough and was launched on 17 June 1897 for Elder, Dempster & Company. Making her maiden voyage from Middlesbrough to Quebec and Montreal in September 1897, she began regular service from Avonmouth to Montreal the following month. On 14 March 1900, she