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Electric Track-Brake.

Description: Patent for an electric train brake, which allows trains to not slow down on curves without derailing and allows faster emergency braking.
Date: August 25, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

Cleaning Apparatus.

Description: Patent for a cleaning apparatus, which cleans objects by blasting air across them and has an air cleaning system for use after the cleaning is done.
Date: June 1, 1909
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Transmission-Gearing.

Description: Patent for a transmission gearing for a traction system for trains, which can be used on all types of curves without ill effects.
Date: August 25, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut-lock for car wheels, which holds the wheel securely together.
Date: February 18, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

Car-Truck.

Description: Patent for a car truck for use on trains, which can withstand heavy loads and high speeds.
Date: August 25, 1908
Creator: Mayo, William C.
Partner: UNT Libraries Government Documents Department

[Historic Marker Application: Old Ward County Bank]

Description: Application materials submitted to the Texas Historical Commission requesting a historic marker for the Old Ward County Bank, in Barstow, Texas. The materials include the inscription text of the marker, original application, narrative, and photographs.
Date: 1983
Creator: Texas Historical Commission
Location Info:
Partner: Texas Historical Commission

Pecos East Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1981
Creator: Geological Survey (U.S.)
Location Info:
Partner: UNT Libraries Government Documents Department

Pecos East Quadrangle

Description: Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Location Info:
Partner: UNT Libraries Government Documents Department