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Drip-Cup for Gas Water-Heaters

Description: Patent for a drip cup for gas water heaters. Illustrations included.
Date: January 26, 1909
Creator: Donnelly, John R.
Partner: UNT Libraries Government Documents Department

Flush-Tank.

Description: Patent for a flush tank, which turns off automatically when the tank is empty.
Date: October 26, 1909
Creator: Walker, Benjamin, Jr.
Partner: UNT Libraries Government Documents Department
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