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Improvement in Rotary Engines.

Description: Patent for an improved design of the rotary engine. Illustration included.
Date: February 6, 1877
Creator: Willson, Hodgen I.
Partner: UNT Libraries Government Documents Department

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 Hame Fasteners

Description: Patent for a new and useful improvement in hame-fasteners. "This fastening can be readily fastened and unfastened without taking off the gloves, and with cold and benumbed fingers, and when fastened will hold the hames securely" (lines 35-38). Including instructions and illustrations.
Date: April 6, 1877
Creator: Poland, Tunis H.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed and Corn Planters

Description: Patent for a new and useful improvement in cotton seed and corn planters which lists the design specifications.
Date: November 6, 1877
Creator: Palmero, Joseph Rafael
Partner: UNT Libraries Government Documents Department
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