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Hydraulic Swivel.
Patent for "a simple, compact, and efficient water-swivel for well-drilling machines, to reduce friction between the water-swivel and the drill-rod, and to provide certain novel and improved details of construction and arrangement." (lines 8-13).
Date:
September 12, 1905
Creator:
Embry, Leonard B.
System:
The Portal to Texas History
Stalker Breaker
Patent for a stalk breaker. Illustration included.
Date:
December 12, 1905
Creator:
Cowart, Stephen A.
System:
The Portal to Texas History