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Oil-Burner.

Description: Patent for a device which effectively burns "kerosene, gasoline, naphtha or crude oil" (lines15-16) in a bunsen-burner fashion that is also easy to manufacture and cheap to maintain.
Date: July 20, 1915
Creator: Veach, Joshua H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for "a simple and efficient construction of engine including two parallel series of piston-heads and wherein steam will be supplied to the heads of each series alternately" (lines 9-13).
Date: July 9, 1901
Creator: Keith, Jonathan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Frog

Description: Patent for railway frog which "will tend to minimize the danger of train derailment at switch crossings" (lines 12-13).
Date: July 30, 1918
Creator: Jackson, George Ferris
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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