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Improvement in the Manufacture of Hydraulic Cement
Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufacturing process and a description of usage.
Date:
June 25, 1878
Creator:
Dimelow, John
System:
The Portal to Texas History
Improvement in Machines for Storing the Power of Wind-Engines.
Patent for a machine for storing the power of wind-engines with design specifications and a description of the process and implementation of usage, including illustrations.
Date:
June 25, 1878
Creator:
Everhart, Martin
System:
The Portal to Texas History
Improvement in Draw-Gages.
Patent for improving the manner in which leather straps may be cut and avoid slippage.
Date:
June 25, 1878
Creator:
Tays, John Henry
System:
The Portal to Texas History