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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

Ant-Trap

Description: Patent for an ant rap designed to catch ants and burrowing insects that are destructive to vegetation. Illustrations included.
Date: April 20, 1909
Creator: Fly, Nathaniel D.
Partner: UNT Libraries Government Documents Department
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