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Description: Patent for "improvement in acetylene-gas generators, and has for one object to provide an exceedingly- simple apparatus of this description in which the pipes and connections are closed , and thus protected from freezing by the effects of atmospheric changes; and a further object of my invention is to remove the possibility of an explosion taking place during the manipulation of the machine." (lines 9-17) including illustrations.
Date: July 31, 1900
Creator: Hartman, Gus
Description: Patent for an improved acetylene-gas generator "which is kept in a relatively-cool condition by a surrounding bath of water and which generator is removable at will from the floatable bell of the tank. A further object is to prevent the waste carbid from dropping into the water of the expansible tank and to provide for the free discharge of gas from the generator [...] while [...] permitting the expeditious removal of said generator for the purpose of cleaning and recharging" (lines 13-24).
Date: January 25, 1900
Creator: Lindholm, Charlie M.
Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.
Description: Patent for an acetylene-gas generator that consists of “a suitable frame, a receptacle positioned within said frame, and a gas-bell” (lines 11-13), as well as a gasometer and carbide feed. As a result, the gas generator “will continually furnish dry, cool gas and at a substantially even pressure at all times” (line 22-24). Illustrations included.
Date: June 4, 1907
Creator: Hays, Parx Orr.