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Improvement in Saw-Mills

Description: Patent for an improvement in saw mills, with illustration.
Date: February 9, 1875
Creator: Linder, Charles
Partner: UNT Libraries Government Documents Department

Improvement in Compositions for Filling Teeth.

Description: Patent for a new compound for use as a tooth filling as related to dentistry. Names all of the ingredients forming the compound and lists the necessary proportions of each ingredient.
Date: February 9, 1875
Creator: Erlenmeyer, Erwin
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Presses.

Description: Patent for improvement in cotton-presses that relates to a specific combination toggle arms connected to a platen with a ball-and-socket or other joint and sliding guide rods.
Date: November 9, 1875
Creator: Bearce, Larned S.
Partner: UNT Libraries Government Documents Department
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