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in subjects: "water heaters"  
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Water-Heater

Description: Patent for a device whereby water or other liquid may be heated instantaneously. (line 10-11)
Date: December 12, 1905
Creator: Hutchins, Rufus J.
Partner: UNT Libraries Government Documents Department

Hot Water Heating System

Description: Patent for an improvement to open fire water heating systems in buildings.
Date: January 12, 1917
Creator: McChesney, Louis P.
Partner: UNT Libraries Government Documents Department

Portable Water-Heater and Steam-Cooker

Description: Patent for a portable water-heater and steam-cooker that "can be adapted for heating water for a variety of domestic purposes, such as for washing clothes and the like, and for supplying steam for scalding clothes, for cooking feed for stock, and for operating a churn or similar device" (lines 14-19).
Date: April 12, 1904
Creator: Staton, John William
Partner: UNT Libraries Government Documents Department
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