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Centrifugal Pump

Description: Patent for a centrifugal pump. Illustration included.
Date: October 9, 1906
Creator: Bettis, William Irvin
Partner: UNT Libraries Government Documents Department

Centrifugal Pump

Description: Patent for a centrifugal pump. This invention "relates to centrifugal pumps in which a rotary impeller, having a fluid-entrance at the eye, discharges into a surrounding discharge chamber" (lines 8-11). Illustrations included.
Date: October 2, 1906
Creator: Bettis, William Irvin
Partner: UNT Libraries Government Documents Department

Clothes Pin

Description: Patent for a clothes pin. Illustration included.
Date: November 13, 1906
Creator: Ingersoll, Charles J.
Partner: UNT Libraries Government Documents Department
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