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Antifreezing Outlet-Valve for Tanks. (open access)

Antifreezing Outlet-Valve for Tanks.

Patent for a new and improved "valve-operating mechanism which cannot be rendered inoperative by ice forming in the tank, and also whereby the valve itself cannot become frozen" (lines 26-30) including illustrations.
Date: May 5, 1914
Creator: Whipp, John W.
System: The Portal to Texas History
Plumb-Level. (open access)

Plumb-Level.

Patent for a modified and improved plumb-levels that allow for consistent and accurate readings, as well as the ability for the level to adjust after being harmed.
Date: January 27, 1914
Creator: Rutledge, Caleb C.
System: The Portal to Texas History
Pipe System for Discharging Waste Water from Refrigerator-Cars. (open access)

Pipe System for Discharging Waste Water from Refrigerator-Cars.

Patent for a pressurized pipe system designed to discharge waste water from melted ice used to reduce car temperature including illustrations.
Date: July 28, 1914
Creator: Applewhite, James A.
System: The Portal to Texas History