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Improvement in Medical Compounds.

Description: Patent for a medical compound of alcohol (or "good brandy"), asafetida, camphor, laudanum, yellow jessamine, sassafras, and water.
Date: July 14, 1874
Creator: Dixon, Shadrach
Partner: UNT Libraries Government Documents Department

Improvement in Medicinal Extracts.

Description: Patent for the extract of Dasylirion graminifolium. This describes the method of acquiring the extract as well as illnesses the extra is purported to treat.
Date: July 14, 1874
Creator: Bihl, Charles A.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Ventilators and Chimneys

Description: Patent for improvement in Combined Ventilators and Chimneys. This object is to be used with the brick chimney on top of the roof to provide air circulation. It consists of an iron-lined inner flue secured within an outer casing with suitable bottom and top perforation for establishing air current around the flue.
Date: July 14, 1874
Creator: Hickley, Walter R & Dibrell, Charles J
Partner: UNT Libraries Government Documents Department

Improvement In Gun-Locks.

Description: Patent for "new and useful improvement in Gun-Lock" (lines 4-5) including instructions and illustrations.
Date: July 14, 1874
Creator: Grisham, James Madison
Partner: UNT Libraries Government Documents Department
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