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Improvement in Washing-Machines.

Description: Patent for improving the washing machine by being operated by a spring-motor.
Date: September 11, 1877
Creator: Cummings, James K.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Pickers.

Description: Patent for an improved cotton-picking machine, including illustrations.
Date: September 3, 1872
Creator: Sims, Zachariah B.
Partner: UNT Libraries Government Documents Department

Improvement in Rein-Holders.

Description: Patent for "improvement in a class of rein-holding devices consisting each of a pivoted, vertically-swinging cam or locking-jaw and a frame...for attachment to the dashboard of a carriage or other vehicle." (lines 7-12) including instructions and illustrations.
Date: September 1, 1874
Creator: Royse, John
Partner: UNT Libraries Government Documents Department
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