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Combined Filtering and Heating Device

Description: Patent for a combined filtering and heating device for water that is attached to a dentist chair.
Date: February 21, 1911
Creator: Gambati, Olympio F.
Partner: UNT Libraries Government Documents Department

Combined Heater and Filter

Description: Patent for a combined heater and filter. This invention is used in a dentists office to regulate the water supply for at the dentists chair. Illustration included.
Date: February 21, 1911
Creator: Gambati, Olympio F.
Partner: UNT Libraries Government Documents Department
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