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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

Boat-Propeller

Description: Patent for a boat propeller that runs more efficiently by turning in such a way that the load of water on the propeller is taken off when its blades are going up.
Date: July 16, 1912
Creator: Reames, Charles H.
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
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