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Improvement in Medical Compounds. (open access)

Improvement in Medical Compounds.

Patent for a purgative medical compound consisting of a variety of plant materials.
Date: October 7, 1873
Creator: Barnett, Joel P.
System: The Portal to Texas History
Improvement in Machines for Operating Pumps. (open access)

Improvement in Machines for Operating Pumps.

Patent for a new and improved water pump operating system. The patent includes an illustration and instructions.
Date: December 7, 1869
Creator: Moore, Robert E.
System: The Portal to Texas History