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Ditching-Machine.

Description: Patent for a ditching machine for digging ditches than can go in reverse.
Date: April 18, 1911
Creator: Miller, Sam
Partner: UNT Libraries Government Documents Department

Cotton-Press

Description: Patent for a cotton press that operates slowly and requires minimum power. Illustrations included.
Date: January 18, 1910
Creator: Breihan, Frederick F.
Partner: UNT Libraries Government Documents Department

Apparatus for Burning Lime.

Description: Patent for improvements in apparatus for burning lime. To provide reliable and efficient means to extract all the heat units from fuel to be used by providing an increase draft and long blaze.
Date: July 18, 1916
Creator: Walsh, Patrick A. & Walsh, Edward J.
Partner: UNT Libraries Government Documents Department
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