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Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which claims to improve upon this device by simplifying the "means for feeding carbid to the water," (line 14) hence making it "more efficient and durable in use and less expensive to manufacture." (lines 19-21)
Date: April 3, 1906
Creator: Dulaney, John B.
Partner: UNT Libraries Government Documents Department

Spring-Scale.

Description: Patent for improvements in spring-scales by providing novel means for measuring and indicating the quality of liquid left in or drawn from a container. (Lines 9-10) Illustration is included.
Date: April 22, 1902
Creator: Smith, John D.
Partner: UNT Libraries Government Documents Department

Air-Brake-Setting Appliance

Description: Patent for an air brake apparatus for train cars which automatically activates when a train car is derailed. Illustrations included.
Date: April 13, 1909
Creator: Gale, Albert & Lilley, Doc M.
Partner: UNT Libraries Government Documents Department
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