UNT Libraries Government Documents Department - 5 Matching Results

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Aerodrome
Patent for an aerodrome/helicopter with improved wing design.
Cooling Apparatus.
Patent for a cooling apparatus for food that uses the process of evaporation of water to cool the apparatus.
North Texas Hospital for the Insane Annual Reports: 1908-1910
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.
Proportioning Weighing-Machine
Patent for a proportioning weighing machine. Illustrations included.
Road-Grader.
Patent for a road grader, which will "excavate a ditch at the side of a road, and distribute the dirt from said ditch at a proper gradient upon the road" (lines 11-14).
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