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Improvement in Trusses.

Description: Patent for improvements in the wiring and metal plates in self-adjusting trusses.
Date: September 27, 1870
Creator: Baker, William
Partner: UNT Libraries Government Documents Department

Improvement in Kilns.

Description: Patent for an improvement in the construction of kilns.
Date: September 27, 1870
Creator: Taylor, Peter C.
Partner: UNT Libraries Government Documents Department

Improvement in Permutation Locks.

Description: Patent for improvements to permutation locks by various means.
Date: September 27, 1870
Creator: Hall, William
Partner: UNT Libraries Government Documents Department

Improvement in Plows

Description: Patent for a new design for a subsoil plow. Includes instructions and illustration.
Date: December 27, 1870
Creator: Clifton, Josiah
Partner: UNT Libraries Government Documents Department

Improvement in Washing-Machines.

Description: Patent for the improvement of the structure of washing machines. The illustration and description show that an improved washing machine, formed by the combination of the open or ribbed roller F F and handles G g1 g2 with the box A B and perforated false bottom E.
Date: September 27, 1870
Creator: Harper, Elijah S.
Partner: UNT Libraries Government Documents Department

Improvement in Presses for Hay, Cotton, Etc.

Description: Patent for the improvement of presses for hay and cotton, by means of a screw. It includes an illustration and description.
Date: December 27, 1870
Creator: Cunningham, Matthew G.
Partner: UNT Libraries Government Documents Department
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