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Valve.
Patent for a new and useful valve, including instructions and illustrations.
Date:
March 20, 1900
Creator:
Fox, John C.
System:
The Portal to Texas History
Steam-Heater
Patent for steam heater to keep cooked food warm, suitable for smaller hotels, restaurants, and other venues, who could not afford larger, more elaborate steam heaters, including illustrations.
Date:
August 28, 1900
Creator:
Wiley, Dora
System:
The Portal to Texas History