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Ewald Anthony Raves
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7469. Raves, E. A. March 29. Heating by electricity. - Current is passed through water or other liquid to be heated between an inner metal electrode e having gills or flanges e<1> and an outer metal electrode a, perforated at a'. The electrode e is supported by a metal plug d surrounded by a sleeve c of mica or other insulating-material, fitted into a socket b, screwed to a tube f. The electrode a is screwed to the socket b. The tube f has a flange g at the top secured to an insulating-block h, carrying terminals n, the central one being connected to the plug d by a rod k, and the outer one to the flange g. The block h carries a ring s, which may be screwed to the neck of a vessel. Connexion is made by a socket p.
GB191307469D1913-03-291913-03-29Improvements in Electric Liquid-heaters.
ExpiredGB191307469A
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