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Sampling Device for Artesian Wells

Description: Patent for a sampling device for artesian wells to detect when oil has been reached.
Date: April 23, 1912
Creator: Bettis, William I.
Partner: UNT Libraries Government Documents Department

Well-Tube

Description: Patent for a well tube.
Date: April 8, 1903
Creator: Fox, Edward P.
Partner: UNT Libraries Government Documents Department