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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
Dredging Apparatus.
Patent for an improved dredging apparatus that plows or scoops, and has "an endless traveling elevator, the latter, being arranged in a rigid frame that is supported at a suitable angle, and the scoop being hinged to the lower end of said frame so that it works horizontally, or practically so" (lines 9-14).
Date:
October 30, 1894
Creator:
Hyatt, Frank A.
System:
The Portal to Texas History