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Combined Wire and Wireless Telephone System.

Description: Patent for a combined wire and wireless telephone system that allows 2 people who are calling through two different central operating stations to talk to each other even though there is no wire directly between the 2 parties, through the use of a wireless system.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane which has its equilibrium maintained by the operator through levers that bring the plane up or down.
Date: December 6, 1910
Creator: McManus, Augustus F. W.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a cattle guard to prevent animals from going on railroad tracks by installing plates which grate and rock if an animal steps on them to scare the animals away from the tracks.
Date: August 23, 1910
Creator: Herring, Henry H.
Partner: UNT Libraries Government Documents Department

Air-Lift Pump

Description: Patent for an air lift pump. Illustrations included.
Date: July 30, 1912
Creator: Holmgreen, Julius H. & Underwood, William H.
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane that will maintain its balance in the air automatically
Date: December 5, 1911
Creator: McManus, Augustus F. W.
Partner: UNT Libraries Government Documents Department

Soldiers and Kitchen Workers; Solders, Portarms

Description: Copy negative of two pictures of soldiers at Camp Travis, from 45th Co., 12th T. R. Battalion, 165th Depot Brigade. The first picture shows a group of seven soldiers, five of them in cook uniforms, posing in front of a wooden building. The second picture shows two men in uniform holding guns standing near two buildings.
Date: 1915~
Partner: Hardin-Simmons University Library
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