UNT Libraries Government Documents Department - 10 Matching Results

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Burnet 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
Car-Coupling.
Patent for an improved car-coupling that features "a solid block at the back part of the draw-head, which when coupling the cars will come far enough back to hit the solid part in the draw-head and prevent the bent spring from breaking." (Lines 16-21) Includes instructions and illustrations.
Churn.
Patent for a churn with a "perforated dasher and a hollow or tubular dasher-shaft, through which the air passes into the churn-cylinder during the process of churning" (lines 14-17). The churn has a foot-rest and a false-bottom, and is meant to improve on simple and inexpensive churns.
Design for Railroad Spike.
Design patent for a barbed railroad spike.
Extensible Trestle.
Patent for an improvement to extensible trestles for masonry and carpentryscaffolding and other uses, including both instructions and illustrations.
Flue-Cutter
Patent for a flue cutter with a pair of pivoted arms, which can be detached, and a cutter-head.
Llano 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
Milk-Cooler.
Patent for an improvement in milk-coolers “in which water is drawn by capillary attraction from a receptacle placed above the milk-receptacle onto a cloth wrapped around the latter, thus cooling the milk by evaporation.” (Lines 8-12) Illustration is included.
Pipe-Wrench.
Patent for an improved pipe wrench that has "a pair of fixed but reversible jaws, attached to the shank of the wrench on each side thereof, and a movable, hooked jaw pivoted between the heels of the fixed jaws" (lines 15-18).
Wire Stretcher and Splicer.
Patent for "a wire-patcher by which the wire rails of fences may be spliced when broken and stretched when any slack occurs." (Lines 16-18) Includes instructions and illustrations.
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