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Water-Heater.

Description: Patent for a water heater for use in small spaces. This water heater heats water rapidly and is less costly as well as smaller than a standard boiler.
Date: August 4, 1903
Creator: Damm, William
Partner: UNT Libraries Government Documents Department

Electric Water-Heater.

Description: Patent for a new electric water heater that forces water to travel around heated wires in tubes, including illustrations.
Date: May 7, 1918
Creator: Valdes, Salvador M.
Partner: UNT Libraries Government Documents Department
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