# A B C D E F G H I J K L M N O P Q R S T U V W Y Z
A C19 development using an enclosed impeller whose cups or blades are scientifically shaped, driven by IMPULSE and REACTION of water. The casing commonly contains vanes or water flow control devices whereby the output power can be controlled. A higher efficiency and increased speeds and power are obtained compared with a water-wheel. (1) ARMFIELD TURBINE A turbine manufactured at the Armfield works in Ringwood. They were millwrights and founders. Their two principle turbines were the "River Patent" and the "British Empire" which were produced from the late C19 onwards. Joseph J Armfield. The firm is no longer in existence. (2) GILKES TURBINE A turbine manufacturer, whose works are in Kendal, who still repair and manufacture turbines. They have bought up many other turbine manufacturers over the years and are now the principal turbine firm in this country. (3) FOURNEYRON TURBINE An outward flow reaction turbine. (4) FRANCIS TURBINE A mixed flow reaction turbine in which the water enters the runner radially inwards and leaves axially. Developed in the U.S.A. in the 1840s. (5) PONCELET WATER TURBINE An inwards, radial flow reaction water turbine developted in France in 1826.
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