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Thill-Coupling.
Patent for a thill-coupling that has a clip-eye, pivot-bolt, and an open-slotted thill-iron that has flat and extended jaws with a hole. The jaws are lined up with the thill-iron, meant to secure a railroad spike into place. The invention also has a flat bar-spring attached to the thill-iron.
Date:
July 30, 1895
Creator:
Dibrell, Anthony
System:
The Portal to Texas History
Process of Extracting Wax from the Candelilla Plant
Patent for a method of extracting wax from a candelilla plant using gasoline and benzine or naphtha in order to extract a light yellow wax, rather than the dark green wax currently extracted.
Date:
October 30, 1911
Creator:
Sharp, Benjamin Young
System:
The Portal to Texas History