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Improved Cultivating-Plow.

Description: Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.
Date: March 25, 1856
Creator: Crenshaw, Micajah
Partner: UNT Libraries Government Documents Department

Machine for Sawing Marble in Obelisk Form.

Description: Patent for "a new and Improved Machine for Sawing Marble Blocks in Polygonal Taper Form" (lines 4-6), including illustration.
Date: April 15, 1856
Creator: Haviland, J. E.
Partner: UNT Libraries Government Documents Department

Method of Repairing Circular-Saw Teeth.

Description: Patent for enabling the teeth of circular saws to be drawn out and hammered for repair, including illustration.
Date: June 10, 1856
Creator: Parry, M. L.
Partner: UNT Libraries Government Documents Department

Improvement in the Manufacture of Black Bottle-Glass.

Description: Patent for manufacturing black bottle-glass by using "combination with other ingredients, an earthy slate of a peculiar character, called "clay-slate," for the purpose of furnishing the coloring-matter of the glass,as well as forming one of the bases of the glass itself."(line 10-15) Instruction only, no illustration.
Date: September 2, 1856
Creator: McCully, John F.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Pickers.

Description: Patent for "new and useful Improvements in Hand-Machines for Gathering Cotton in the Field" (lines 3-5), including instructions and illustrations.
Date: September 16, 1856
Creator: Shields, B. G.
Partner: UNT Libraries Government Documents Department