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
Union Steamship Company of British Columbia Union Steamship Company of British Columbia The Union Steamship Company of British Columbia was a pioneer firm on coastal British Columbia. It was founded in November 1889 by John Darling, a director of the Union Steamship Company of New Zealand, and nine local businessmen. The company began by offering local service on Burrard Inlet near Vancouver and later expanded to servicing the entire British Columbia coast. Initially a cross-harbour service with the steamers "Senator" and "Lonsdale", the line was asked to take on more roles, calling in at Howe Sound, Gibsons Landing, and various logging camps and sawmills. The demand