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Hydraulic Swivel.

Description: 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.
Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for a churn that quickly makes butter and has an easily detachable churn body. The churn body sits sideways in a frame, and gears and a hand-operated crank that is built into the removable part of the frame churns the cream.
Date: September 12, 1893
Creator: Moon, Richard D.
Partner: UNT Libraries Government Documents Department
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