1 Matching Results

Results open in a new window/tab.

Canal or Ditch Digging Machine. (open access)

Canal or Ditch Digging Machine.

Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle.
Date: August 20, 1895
Creator: Hoefs, Otto
System: The Portal to Texas History