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Improvement for Machines for Washing Photographs.

Description: Patent for an improved machine for washing photographic prints allowing metallic or other rigid plates to be washed in addition to flexible prints.
Date: February 6, 1877
Creator: Miller, Noah J.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Cultivator and Planter.

Description: Patent for "a new and useful improvement in a combined corn and cotton planter and cultivator" (lines 3-6), includes instructions and illustrations.
Date: December 18, 1877
Creator: Skinner, Miles T.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for "a plow which will effect a clean severance of the sod on the land side when operating in heavy, tenacious soil, and which will prevent the accumulation of rubbish against the edge of the mold-board or standard." (Lines 6-11) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Wood, John W.
Partner: UNT Libraries Government Documents Department

Improvement in Reciprocating Churns.

Description: Patent for an invention that, "relates to certain improvements in motive power for churns, its object being to provide a compact system of automatically-operating gearing, that may be readily attached to the top of an ordinay churn" (lines 7-11). Illustration included.
Date: January 23, 1877
Creator: Miller, Noah J.
Partner: UNT Libraries Government Documents Department

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
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