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Improvement in liquid-measuring tanks.
Patent for an airtight and fireproof measuring tank for lamp oils, usable in both daytime and nighttime. Includes illustrations.
Date:
August 22, 1876
Creator:
Williams, Blasius
System:
The Portal to Texas History
Improvement in Revolving Conical Mold-Boards
Patent for improvements and new design for a Revolving Conical Mold-Board Plow.
Date:
May 22, 1877
Creator:
Dryer, Charles Valentine
System:
The Portal to Texas History