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Improvement in Cultivators.

Description: Patent for an improvement in the design of corn cultivators, including illustrations.
Date: April 22, 1873
Creator: Helm, Jack
Partner: UNT Libraries Government Documents Department

Improvement in Seed Planters.

Description: Patent for new improvement in seed planting that describes parts of the construction including instructions and illustrations.
Date: April 22, 1873
Creator: Suggs, Isaac T.
Partner: UNT Libraries Government Documents Department

Improvement in Methods of Adjusting Signaling-Mirrors.

Description: Patent for an improvement in the "method of throwing reflected light of a mirror with accuracy upon a distant object in flash-signaling" (lines 5-7), including illustrations.
Date: April 22, 1873
Creator: Kenney, Martin M.
Partner: UNT Libraries Government Documents Department
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