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Improvement in Turpentine-Stills.

Description: Patent for improvement in turpentine distillation and purification with bleaching and refinement.
Date: May 6, 1873
Creator: Lee, Archibald K.
Partner: UNT Libraries Government Documents Department

Improvement in Excavators.

Description: Patent for improvement in earth excavators combining a plow, rotating cylinder, and helical plate.
Date: May 6, 1873
Creator: Smith, Amroy B.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Cultivators.

Description: Patent for a new improvement for a cotton-cultivator with different tools and connections, including instructions and illustrations.
Date: May 6, 1873
Creator: Bates, Finis L.
Partner: UNT Libraries Government Documents Department

Improvement in Teeth for Cotton-Gin Saws.

Description: Patent for new useful improvement of the cotton-gin saws that consists of the dress or shape of the teeth, includes instructions and illustrations.
Date: May 6, 1873
Creator: Oglesby, Thomas B.
Partner: UNT Libraries Government Documents Department
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