Locking Device For Car-Couplings. (open access)

Locking Device For Car-Couplings.

Patent for a new and improved locking device for car couplings, including instructions and illustrations.
Date: July 18, 1899
Creator: Stewart, George P.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a pipe-wrench that has a shank with a fixed jaw, a handle for the shank, a movable jaw with two loops for the shank to pass through and a movable upper loop, a ferrule attached to the handle with a long opening, an adjustable screw with a milled collar in the movable jaw, and a pin attached to the shank.
Date: July 16, 1895
Creator: McElroy, Harry
System: The Portal to Texas History