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Churn Power.
Patent for a new and improved motorized butter churn. This design is of "a simple and efficient device for converting a rotary into a reciprocating motion, which may be either vertical or horizontal, and is especially adapted to the various kinds of churns, washing-machines, and the like now in the market" (lines 13-18).
Date:
January 4, 1881
Creator:
Clark, William
System:
The Portal to Texas History