Flour-Milling Machinery. (open access)

Flour-Milling Machinery.

Patent for flour milling machinery with reduced costs of equipment and operation, less required space, and improved quality and quantity of flour.
Date: May 10, 1921
Creator: Smith, George T.
System: The Portal to Texas History
Liquid-Measuring Device (open access)

Liquid-Measuring Device

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
System: The Portal to Texas History