Resource Type

Chain Pipe-Wrench. (open access)

Chain Pipe-Wrench.

Patent for certain new and improvements in chain pipe wrenches, including instructions and illustrations.
Date: December 26, 1899
Creator: Bohner, Philip Henry
System: The Portal to Texas History
Spindle-Upsetting Device (open access)

Spindle-Upsetting Device

Patent for a spindle-upsetting device designed to stave up the spindle of a vehicle axle for the purpose of restoration. Illustrations included.
Date: December 15, 1908
Creator: Blake, Samuel L.
System: The Portal to Texas History