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Churn.
Patent for an improvement to churns. "The purpose of the invention is to provide a novel churn structure embodying a pair of oppositely reciprocating dashers mounted in a common churn receptacle or body and operated from a single crank wheel" (lines 15-19).
Date:
February 25, 1913
Creator:
Burdeaux, Carey E. & Burdeaux, Charley W.
System:
The Portal to Texas History
Mechanism For Converting Reciprocating Into Rotary Motion.
Patent for an improvement to drive shafts used in automobiles, other motor vehicles, and machine tools that convert reciprocating into rotary motion, including instructions and illustrations.
Date:
June 3, 1913
Creator:
Smith, Robert W. J.
System:
The Portal to Texas History