Compound Tool (open access)

Compound Tool

Patent for a compound tool. This invention consists of multiple tools in one. Illustration included.
Date: April 26, 1904
Creator: Highsmith, Aubrey O.
System: The Portal to Texas History
Leveling Instrument (open access)

Leveling Instrument

Patent for leveling instrument. Illustration included.
Date: July 26, 1904
Creator: Akins, Henry King
System: The Portal to Texas History