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Counties
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Irrigating Implement
Patent for an irrigating implement. Illustration included.
Date:
June 13, 1905
Creator:
Banks, William L.
System:
The Portal to Texas History
Valve
Patent for a valve for the improvement of flushing water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date:
November 13, 1917
Creator:
Cahill, Thomas J.
System:
The Portal to Texas History