UNT Libraries Government Documents Department - 3 Matching Results

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2007 Economic Census Map: San Antonio, Texas Metropolitan Statistical Area
Map showing the area of the San Antonio, Texas Metropolitan Statistical Area for which the U.S. Census Bureau collected data during the 2007 economic census.
Car-Coupling.
Patent for a simple and reliable car-coupling that embodies "novel features of construction that adapt[s] said coupling for an automatic coupled engagement with a similar coupling, and that may be safely uncoupled from the side of the car whereon the improvement is secured" (lines 11-16).
Wrench.
Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
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