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Method Of Drilling Wells
Patent for a method of drilling wells. This invention is known as the rotary process that deals with alluvial deposits at different levels such as sand, water flows, gravel, gas under pressure, and boulders. Illustration included.
Date:
October 30, 1906
Creator:
Decker, Harry R.
System:
The Portal to Texas History
Fence Post Mold
Patent for fence post mold. Illustration included.
Date:
October 9, 1906
Creator:
Collier, William Reid
System:
The Portal to Texas History