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Sample Taking Device.

Description: Patent for a device that takes samples of the strata or formation through which a well is being drilled without mixing the soil with water within the reservoir.
Date: September 19, 1919
Creator: Rembert, William E.
Partner: UNT Libraries Government Documents Department

Attachment for Type-Writing Machines.

Description: Patent for a new and useful attachment for type writing machines, including instructions and illustrations.
Date: September 19, 1899
Creator: Pribyl, Frank G.
Partner: UNT Libraries Government Documents Department
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