Improvement in Car-Couplings. (open access)

Improvement in Car-Couplings.

Patent for "a new and improved Car-Coupling"
Date: May 11, 1875
Creator: Shelley, Nathan G.; Bozarth, Stephen P. & Spring, David V.
System: The Portal to Texas History
Improvement in Rotary Cultivators and Choppers (open access)

Improvement in Rotary Cultivators and Choppers

Patent for an improvement to the design of a rotary cultivator and chopper, including illustrations.
Date: May 11, 1875
Creator: Fenley, George W.
System: The Portal to Texas History