UNT Libraries Government Documents Department - 10 Matching Results

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Fredericksburg Sheet
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 1:125000
Kerrville Sheet
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 1:125000
Pump-Operating Mechanism.
Patent for a pump operating mechanism, which is run by horses going in a circle around the device to power the pump.
Shaft and Pulley Collar.
Patent for a collar for pulleys and shafts with set-screws that protects the set-screws from damage or harming people working with the systems.
Stone-Drilling Machine.
Patent for a stone drilling tool, which has water automatically flowing through it.
Tire Bolt Wrench
Patent for a tire bolt wrench. Illustration included.
Water-Tank.
Patent for improved water-tank of which will provide a construction to prevent leakage, bruising, and warping of the wood and in which water will be kept cool and clean.
Windmill
Patent for "a mill equipped with an automatic governor for regulating the speed of the windmill and for preventing injury to the apparatus by throwing the blades of the wheel into or out of the wind in a manner to secure the most effective operation of the device at all times" (lines 9-15).
Windmill Lubricator
Patent for a windmill lubricator. Illustration included.
Windmill-Regulator
Patent for "improvements in windmill-regulators of that class distinguished by the provision of a movable bucket connected to the regulating-cable of a windmill and communicating with the tank or reservoir supplied by the mill to cause the depression of the bucket for the purpose of throwing the mill out of gear or out of the wind. . .when the level of water in the tank has reached a predetermined point" (lines 8-18).
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