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Safety-Valve

Description: Patent for a safety valve that can be used on water and gas boilers.
Date: June 21, 1892
Creator: Ball, John W.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner

Description: Patent for a hydrocarbon burner primarily used for stoves and furnaces. Illustrations included.
Date: June 21, 1910
Creator: Reed, Rufus C.
Partner: UNT Libraries Government Documents Department
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