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Permutation Lock.

Description: Patent for a new and improved combination lock. This design consists of "[a] door having at its edges the sockets formed by ribs and mouths in combination with permutation-disks, seated in said sockets and handles" (lines 5-8).
Date: June 28, 1881
Creator: Sevier, Moses Nimrod
Partner: UNT Libraries Government Documents Department

Cotton Elevator.

Description: Patent for a new and improved cotton elevator. This design "facilitate[s] the delivery of cotton to the gin, and at the same time . . . removes from the cotton the gravel and other foreign substances that may be in it, thereby preventing injury to the gin and causing it to deliver the cotton in a cleaner and better condition" (lines 7-13).
Date: June 14, 1881
Creator: Newton, William Frederick
Partner: UNT Libraries Government Documents Department
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