Resource Type

Chain-Lock. (open access)

Chain-Lock.

Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date: October 1, 1918
Creator: Clarkson, Jay Caleb.
System: The Portal to Texas History
Machine for Shucking and Shelling Corn (open access)

Machine for Shucking and Shelling Corn

Patent for improvements in the design and construction of machines for shucking and shelling corn.
Date: May 1, 1888
Creator: Whiting, Louis Rossell
System: The Portal to Texas History