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Linotype and Intertype

Description: Patent for automatic stopping of matrices.
Date: February 11, 1919
Creator: Sundstrom, Herman T.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a new and improved design for pumps as they are used in deep wells. New design meant to prevent sand from entering machine between the working barrel and plunger.
Date: February 1, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Sample Taking Device

Description: Patent for an oil sample-taking device.
Date: February 25, 1919
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department
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