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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
Lubricating car-axles (open access)

Lubricating car-axles

Patent for an improvement in axle lubrication involving an oil-elevator, axle-box and journal-box. Includes illustrations.
Date: January 7, 1873
Creator: Morris, Joseph R.
System: The Portal to Texas History