UNT Libraries Government Documents Department - 7 Matching Results

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Dallas 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
North Texas Hospital for the Insane Annual Report: 1902
Annual report of the North Texas Hospital for the Insane, providing data about operations, updates about programs, and other information related to activities at the hospital.
Lock
Patent for a general lock but made especially for trunk locks. It adds a spring lock and preventative measures against lock picking.
Tobacco Stemming Machine
Patent for the improvement of tobacco-stemming machines by providing "an arrangement for opening the leaves prior to being fed to the cutters" (lines 14-15).
Tobacco-Stemming Machine
Patent for a machine for stemming tobacco.
Signal-Lantern.
Patent for a gas-burner signal lantern, instead of an oil-burner signal lantern, that indicates whether or not the track is all clear of trains; includes instructions and illustrations.
Electric Gas-Lighter
Patent for a gas lighter that is designed to be durable and reliable, with an improved method of controlling the supply of gas to the burner.
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