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Cooling Apparatus.
Patent for a cooling apparatus for food that uses the process of evaporation of water to cool the apparatus.
Date:
April 4, 1911
Creator:
Steen, Mary L.
System:
The Portal to Texas History
Sulky-Plow
Patent for the design of a plow that can "overcome obstacles without injury to"(lines 14-15) to the machine. It also includes a new design for a plow foot spring, in addition to an element that allows the foot spring to be adjusted quickly by there operator.
Date:
April 24, 1917
Creator:
Sanders, John T.
System:
The Portal to Texas History