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Classifier and Dewaterer.

Description: Patent for an invention related "to classifiers and dewaterers for use in the treatment of sand ores; fine coal and the like" (lines 8-10) including instructions and illustrations.
Date: March 6, 1923
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Combustion Process

Description: Patent for a combustion process in which fuel and air are added into the combustion chamber, uniting the air and fuel to minimize excess oxygen and create more opportunities for heat and air. Creating a fast-burning machine used for efficiency.
Date: March 6, 1919
Creator: Anderson, Robert J.
Partner: UNT Libraries Government Documents Department
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