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Oil-Tank.

Description: Patent for oil tank top to prevent destruction of inflammable substance in the tank by enabling the gas to escape in a simple and effective manner.
Date: June 27, 1916
Creator: Bradley, Benjamin Franklin
Partner: UNT Libraries Government Documents Department

Dust Separating Apparatus

Description: Patent for a dust separating apparatus. This device is designed for seperating dust from the air. Illustrations included.
Date: June 27, 1905
Creator: Duke, Holmes
Partner: UNT Libraries Government Documents Department
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