Wrench. (open access)

Wrench.

Patent for a new and improved wrench, which is especially useful for machinists. The improvement to existing wrench technology is present in positions where a thin jaw wrench is necessary and in removing parts upon which an ordinary nut wrench, even thin jawed, would act.
Date: May 6, 1913
Creator: Seale, Jefferson, W.
System: The Portal to Texas History