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Water Regulator for Steam Boilers

Description: Patent for a water regulator for steam boilers.
Date: May 5, 1903
Creator: Walker, Benjamin, Jr.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner

Description: Patent for an oil feeder designed to burn crude oil. It features a carbon deposit chamber and a vent pipe.
Date: May 5, 1903
Creator: Hartung, Theodore A.
Partner: UNT Libraries Government Documents Department
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