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Improvement for Apparatus for Cutting Glue.

Description: Patent for a design for a battery-powered wire glue cutter/slicer including instructions and illustrations.
Date: October 11, 1875
Creator: Stevens, Hennell
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for rotary pump designed to counterbalance thrust at each step by a "series of lifting-wheels mounted upon a common shaft" (lines 10-11) in order to minimize wheel thrust.
Date: October 22, 1901
Creator: Baker, Josheph W.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a new and improved rotary engine, including instructions and illustrations.
Date: October 10, 1899
Creator: James, William Francis
Partner: UNT Libraries Government Documents Department

Improvement in Vehicle Axle-Lubricators

Description: Patent for improvements to the design of axle lubricators, in which the oil reservoir is in the rear as opposed to the front.
Date: October 14, 1879
Creator: Hinkle, James V.
Partner: UNT Libraries Government Documents Department

Core-Discharge Apparatus.

Description: Patent for an Improvement in Core-Discharge Apparatus. It is meant to be used in connection with core drills in well or mine drilling. This improvement is meant to be carried to the surface by an air-lift pump.
Date: October 1, 1918
Creator: Carhichael, Robert E.
Partner: UNT Libraries Government Documents Department
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