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Improvement in Floor-Clamps.
Patent for an improvement in floor clamps, including illustrations.
Date:
March 4, 1873
Creator:
Foster, John J.
System:
The Portal to Texas History
Improvement in Machines for Making Plow-Irons.
Patent for an improvement in the design for machines for manufacturing plow irons, including illustrations.
Date:
March 4, 1873
Creator:
McGinty, James M. & Nolan, Thomas.
System:
The Portal to Texas History
Improvement in Horse-Powers.
Patent for improvements made to motors that power machinery, called "horse-powers." The specific improvements made are in the arrangement of mechanical pulleys from which the motor derives power, arranged in such a way that will not significantly increase the size or cost of the machine.
Date:
February 4, 1873
Creator:
Müller, Joseph
System:
The Portal to Texas History
Improvement in Cotton-Cleaners.
Patent for a new and improved cotton-cleaner that enhances the performance of cotton cleaning. It includes instructions and illustrations.
Date:
February 4, 1873
Creator:
Ralston, Joe
System:
The Portal to Texas History
Improvement in Apparatus for Stretching Wire Fences.
Patent for stretching wire from post to post in the construction of wire fencing, which includes directions how to secure the wire, includes illustrations.
Date:
March 4, 1873
Creator:
Mangham, Josiah T.
System:
The Portal to Texas History