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Rotary Well-Drilling Machine

Description: Patent for a rotary well-drilling machine that makes use of an "independently rotatable section" to aid in the screwing and unscrewing of pipe sections.
Date: August 9, 1921
Creator: Taylor, William Henry
Partner: UNT Libraries Government Documents Department

Animal-Stock.

Description: Patent for an improved animal-stock that holds animals during branding, dehorning, castrating, &c. It looks like an open-topped cage where the operator puts the animal, and the animal cannot move. The invention is on a platform and can tip to one side and a chain is tied from the top of the machine to the bottom of the frame.
Date: August 27, 1895
Creator: Schecher, Conrad
Partner: UNT Libraries Government Documents Department
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