Resource Type
7 Matching Results
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Improvement in Trusses.
Patent for improvements in the wiring and metal plates in self-adjusting trusses.
Date:
September 27, 1870
Creator:
Baker, William
System:
The Portal to Texas History
Improvement in Kilns.
Patent for an improvement in the construction of kilns.
Date:
September 27, 1870
Creator:
Taylor, Peter C.
System:
The Portal to Texas History
Improvement in Permutation Locks.
Patent for improvements to permutation locks by various means.
Date:
September 27, 1870
Creator:
Hall, William
System:
The Portal to Texas History
Improvement in Cotton Cultivators, Scrapers, and Choppers.
Patent for a new cotton cultivator that allows for a worker to adjust the cultivator's angle based on soil depth.
Date:
December 27, 1870
Creator:
Young, John H. W.
System:
The Portal to Texas History
Improvement in Plows
Patent for a new design for a subsoil plow. Includes instructions and illustration.
Date:
December 27, 1870
Creator:
Clifton, Josiah
System:
The Portal to Texas History
Improvement in Presses for Hay, Cotton, Etc.
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.
System:
The Portal to Texas History
Improvement in Washing-Machines.
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.
System:
The Portal to Texas History