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Compressed-Air-Feed Liquid-Container.

Description: Patent for compressed air feed liquid container uses compressed air to move the liquid through tubes and out the pipe.
Date: May 10, 1921
Creator: Posa, Emit M.
Partner: UNT Libraries Government Documents Department

Wheelwright-Machine.

Description: Patent for a wheelwright machine for attaching tires to wheels that includes a sliding wrench.
Date: February 13, 1921
Creator: Gosett, Allen Davis
Partner: UNT Libraries Government Documents Department

Air-Storage-Tank Liquid-Dispensing Device.

Description: Patent for an air storage tank liquid dispending device which is convenient and economically better to pull liquid from wells, buried tanks, etc.
Date: May 10, 1921
Creator: Posa, Emit M.
Partner: UNT Libraries Government Documents Department
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