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Closet-Flushing Mechanism.

Description: Patent for a water closet flushing mechanism, which prevents the water from standing in the toilet bowl where it is liable to freeze in cold weather.
Date: June 20, 1911
Creator: Parker, Thomas H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Brake Coupling

Description: Patent for an air brake coupling for use on trains that opens the air valves when the coupling is attached.
Date: June 20, 1911
Creator: Winton, Robert A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Gate.

Description: Patent for an automatic gate that can be unlatched and opened by a vehicle approaching; and then, closed and latched again after passage of the vehicle. The automatic gate is reliable, not easily deranged, and simple in construction.
Date: June 13, 1911
Creator: Laas, Louis August
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Airship

Description: Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date: June 11, 1912
Creator: Bradshaw, John F. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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