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Hydraulic Swivel.

Description: Patent for a hydraulic swivel used with wells including instructions and illustrations.
Date: May 16, 1911
Creator: Layne, Mahlon E.; Hall, Samuel N. & Layne, Charles F.
Partner: UNT Libraries Government Documents Department

Portable Liquid-Cooling Tank.

Description: Patent for a portable tank for transporting liquids, which has a compartment for ice to keep the liquids cool including instructions and illustrations.
Date: May 16, 1911
Creator: Ingram, Jonathan D.
Partner: UNT Libraries Government Documents Department

Oil Stove

Description: Patent for an oil stove. Illustrations included.
Date: May 16, 1911
Creator: Young, James W. & McGee, Guy
Partner: UNT Libraries Government Documents Department

Rail Fastener

Description: Patent for a rail fastener for concrete rail ties. It is a bolt receiver to be placed in concrete rail ties to allow the bolts to be held securely.
Date: March 16, 1911
Creator: Wessel, Frederick
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for "improvements in pumps which move a long column of water with each stroke but discharge a relatively small quantity" (lines 10-13) including instructions and illustrations.
Date: May 16, 1911
Creator: Kangas, Frank Oskar
Partner: UNT Libraries Government Documents Department

Metal Tie

Description: Patent for a metal railroad tie. Illustrations included.
Date: May 16, 1911
Creator: Caton, Augustus B. & Carter, Ernest A.
Partner: UNT Libraries Government Documents Department

Mattress

Description: Patent for a mattress made with folded layers of material, such as cotton or wool, where the fibers are placed in a vertical position.
Date: May 16, 1911
Creator: Heermans, Wallace T.
Partner: UNT Libraries Government Documents Department

Caster.

Description: Patent for "casters, and more especially to those of that type employing a ball and anti-friction rollers," (lines 8-10) including instructions and illustrations.
Date: May 16, 1911
Creator: Taylor, Henry William
Partner: UNT Libraries Government Documents Department

Crate or Box Forming Machine

Description: Patent for a crate or box forming machine. Illustrations included.
Date: May 16, 1911
Creator: Nitschmann, Eduard
Partner: UNT Libraries Government Documents Department

Ash-Pan

Description: Patent for an ash pan for trains. Illustrations included.
Date: May 16, 1911
Creator: Spratley, George
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap. Illustrations included.
Date: May 16, 1911
Creator: Morris, Leopold
Partner: UNT Libraries Government Documents Department
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