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Improvement in Medical Compounds.

Description: Patent for a medical compound consisting of magnesia, soda, potassium oxide, manganese, sodium chloride, acid phosphate of iron, sulfuric acid, and phosphoric acid. The compound is said to treat a wide variety of ailments.
Date: September 16, 1879
Creator: Coleman, George S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Double-Acting Force-Pumps.

Description: Patent for a double-acting force pump that has "single cylinder and hollow piston-rod operate in connection with the upper and lower cylinder-valves, and with a valved piston adapted to have a reciprocal motion independent of and upon the hollow piston-rod, to discharge the water from both sides of the piston with a double action and in a continuous stream through said hollow piston-rod" (para. 2).
Date: September 16, 1879
Creator: Newman, Charles Elijah
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Lever-Powers.

Description: Patent for a lever-power which applies "the power and resistance to the lever, so that they will change positions with relation to the fulcrum as the power end of the lever descends" (para. 2). The relation of the lever with the fulcrum is flexible, and allows for increased leverage.
Date: September 23, 1879
Creator: Franklin, Mathew Calhoun
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Sheet-Metal Hames

Description: Patent for improvement in hames by constructing them of sheet metal in order to prevent flatenning and wear on the hame. Explains how sheet metal hames are also flexibile in many attributes and because of this they are beneficial in many ways. Illustrations provided.
Date: November 4, 1879
Creator: Brown, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Fire-Lighters.

Description: Patent for a device which allows the lighting of "fires, lights, blasts, &c., by a person located some distance from the object to be ignited." (lines 7-10) Includes instructions and illustrations.
Date: November 18, 1879
Creator: Craig, Samuel M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Molds for Sewer-Building.

Description: Patent for a collapsible mold on wheels, allowing a sewer to "be built in sections around the mold and the mold moved along the trench as sections are completed" (lines 13-16) including illustrations.
Date: December 23, 1879
Creator: Burns, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Piano-Forte Actions.

Description: Patent for a new piano forte design which "consists in certain novel details of construction, arrangement, and combination of the key-lever and its fulcrum and rest, a receiving-lever, a transmitting-eccentric, a secondary hammer, a principal hammer and its rest, and a damper-action and its connections, whereby greater simplicity and efficiency are obtained" (lines 10-17) including illustrations.
Date: May 27, 1879
Creator: Roedern, George O. V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Middlings-Purifiers.

Description: Patent for a "machine for purifying the middlings in the process of making flour that will free them more completely from impurities that has heretofore been done, and to construct the parts of the machine so that air-blasts will be completely under control" (lines 8-13) including illustrations.
Date: June 3, 1879
Creator: White, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Spring-Hinges.

Description: Patent for a new spring hinge design which will "either open or close the door or gate after it has passed an angle of forty-five degrees" (lines 20-22) including illustrations.
Date: June 24, 1879
Creator: Barry, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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