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in subjects: "oscillating"  
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Churn.

Description: Patent for an improvement in churn by using a combination of a sliding bar, a cord secured to the dasher-shaft, and vertical rods to create a mechanical movement that would wind and unwind the cord in order to operate the churn. Illustration is included.
Date: March 3, 1891
Creator: Crouch, Riley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Windmills.

Description: Patent for improvement in attachments for windmills to “convert rotary motion of the wheel shaft into reciprocating motion for actuating the pitman of the sucker rod.” (Lines 12-14) Illustration is included.
Date: July 1, 1913
Creator: Burleson, Lemual R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Movement.

Description: Patent for a mechanical movement using a crank to operate the lazy-tongs through the medium of a pitman, guided by a pair of parallel wires and, a reciprocating bar guided by a socket to produce the reciprocating motion. Illustration is included.
Date: February 10, 1891
Creator: Baker, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for an improved, simple, and effective rotary engine that economically uses steam and automatically controls steam discharge. "Two distinct rotary motions in reverse directions are obtained at the same time" (lines 16-18) in this engine.
Date: April 11, 1893
Creator: Walker, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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