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Liquid-Measuring Device

Description: Patent for a device that determines the amount of liquid (particularly gasoline and oil) that flows from its glass container with the end of facilitating the exchange of goods, including illustrations.
Date: May 25, 1920
Creator: Meredith, John Dewitt
Partner: UNT Libraries Government Documents Department

Pipe-Pulling Device.

Description: Patent for a device for pulling pipes from wells without damaging the pipe, with a safety feature in case the pipe breaks.
Date: September 25, 1917
Creator: Osborne, William R.
Partner: UNT Libraries Government Documents Department
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