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Semaphore.

Description: Patent for a semaphore with an enclosure for the operating gearing in signaling devices for railway trains. It incloses the operating gearing so that ice does not interfere with its operation and water does not touch the gearing.
Date: January 16, 1912
Creator: Van Zandt, Luther H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine

Description: Patent for an improved internal combustion engine. Among the improvements, it allows "compounding the expansion effect to obtain the highest possible efficiency." ( lines 11-13)
Date: January 16, 1912
Creator: Pearson, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Projectile

Description: Patent for Projectile. "The present invention relates to projectiles and has particular reference to a shell which is adapted to be fired from a gun to penetrate the object aimed at and subsequently explode therein. An important object of the invention is to provide a projectile of the above mentioned character, so constructed so that the same will have a high armor penetrating efficiency and a very large explosive material carrying capacity, whereby the explosion of the shell subsequently to i… more
Date: August 16, 1912
Creator: Douglas, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Kitchen-Cabinets

Description: Patent for an attachment for kitchen cabinets that has a mechanism for measuring out flour and other dry ingredients, a knife sharpener, and a breadboard.
Date: April 16, 1912
Creator: P'Pool, Frank E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Picker

Description: Patent for a cotton picker that can be used on several rows of cotton at a time. Illustrations included.
Date: July 16, 1912
Creator: Meier, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stalk-Cutter

Description: Patent for a stalk cutter designed to be an attachment for plows. Illustrations included.
Date: July 16, 1912
Creator: Feagan, James Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tie-Plate

Description: Patent for a tie plate that sticks firmly to the ties, keeps out moisture, and is lighter than other tie plates.
Date: July 16, 1912
Creator: Walton, Jay W. & Dayton, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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