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Milk-Cooler. (open access)

Milk-Cooler.

Patent for improvements in the construction of water evaporation milk-coolers to make them more easily taken apart and arranged for shipping and preventing ants from entering the device and getting in the milk. Descriptions of the parts of the device and illustrations are included.
Date: June 10, 1902
Creator: Whaley, William L.
System: The Portal to Texas History
Rotary Engine. (open access)

Rotary Engine.

Patent for a new and improved rotary engine, including instructions and illustrations.
Date: October 10, 1899
Creator: James, William Francis
System: The Portal to Texas History