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Automatic Valve
Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date:
April 25, 1905
Creator:
Pinkerton, Henry S.
System:
The Portal to Texas History
Shovel.
Patent for a shovel, which has a detachable blade and handle that can be securely fastened when in use and easily taken apart for transport.
Date:
April 7, 1908
Creator:
Ellison, John Wesley
System:
The Portal to Texas History