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Attachment for Windmills.

Description: Patent for a windmill attachment that will increase the pumping capacity of windmills or other lifting pumps.
Date: March 5, 1912
Creator: Engle, Matthew H.
Partner: UNT Libraries Government Documents Department

Vehicle-Brake.

Description: Patent for vehicle-brake, with description and illustrations.
Date: March 5, 1885
Creator: McIntosh, John L.; Bacon, Edward Hamlin & Vail, Theron
Partner: UNT Libraries Government Documents Department

Mail-Bag Catcher and Deliverer.

Description: Patent for "a device capable of catching or transferring mail bags from a mail bag hanger to the mail car while the car is in motion, the device also acting to deliver a mail bag at the same station, if necessary, one operation in no manner interfering with the other." (Lines 8-14) Includes instructions and illustrations.
Date: March 5, 1895
Creator: Sliger, Charles F.
Partner: UNT Libraries Government Documents Department
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