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Improvement in Vibrating Propellers.

Description: Patent for new and useful improvement in vibrating propellers.
Date: December 22, 1874
Creator: Macowitzky, Charles P.
Partner: UNT Libraries Government Documents Department

Improvement in Force - Pumps.

Description: Patent for new and improved force pump with three cylinders.
Date: December 22, 1874
Creator: Chambers, J. C.
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Destroying Compounds.

Description: Patent for an insecticide that kills ants via fumigation. Ingredients include sulfur, charcoal, potassium cyanide, arsenic, and coal tar.
Date: September 22, 1874
Creator: Tottenham, John William
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for new and useful improvement in Skeleton Tillage-Plow.
Date: December 22, 1874
Creator: Canty, Thomas
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings.

Description: Patent for car-couplings.
Date: December 22, 1874
Creator: McCormick, Charles C.
Partner: UNT Libraries Government Documents Department

Improvement in Putting Up Caustic Alkalies.

Description: Patent for a method of packaging caustic alkalies inside of treated paper or wood. This patent describes the mixture and use of this treatment.
Date: December 22, 1874
Creator: Lee, Archibald K.; Middleton, George W. & Smith, Joseph C.
Partner: UNT Libraries Government Documents Department

Improvement in Manufacturing Anti-Corrosive Compounds.

Description: Patent for "an anti-corrosive coating for iron and all other metals, and one which in all respects does positively preserve the same, and into the composition of which enters as an element neither lead, oil, nor any other ingredient that contains any destructive or otherwise deleterious acid or alkali." (Lines 7-13) Includes instructions.
Date: December 22, 1874
Creator: Lee, Archibald K.
Partner: UNT Libraries Government Documents Department

Improvement in Pulverizing Subsoil-Plows.

Description: Patent for an improvement in subsoil plows to pulverize soils, including illustrations.
Date: September 22, 1874
Creator: Mangham, Josiah T.
Partner: UNT Libraries Government Documents Department

Cotton - Bale Ties

Description: Patent for tying the ends of cotton bale wires or bands.
Date: September 22, 1874
Creator: Szabo, Alexander A.
Partner: UNT Libraries Government Documents Department
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