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Drain-Box for Railway-Crossings

Description: Patent for a drain-box for railway crossings that drains water off of the tracks.
Date: January 21, 1913
Creator: McKnight, William M.
Partner: UNT Libraries Government Documents Department

Domino-Shuffler.

Description: Patent for an invention that mechanically shuffles dominoes.
Date: January 21, 1919
Creator: Eichblatt, Otto H.
Partner: UNT Libraries Government Documents Department

Fire Alarm System

Description: Patent for a new and improved fire alarm system. This alarm system will allow the room on fire to be identified and alert the fire department that there is a fire in that house. Using a minimum number of wires, for safety, this alarm signals only one bell no mater the room on fire.There is also a self test feature within this system.
Date: January 21, 1915
Creator: Ammons, John B.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator that automatically feeds carbide into the water tank and cleans the feed valve.
Date: January 21, 1919
Creator: Furr, Oscar M.
Partner: UNT Libraries Government Documents Department
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