Improvement in Ditching-Machines.
Description:
Patent for an improved ditching machine design that will "easily and rapidly cut or excavate, on the surface of the ground, soil, clay, or soft stone, a ditch or trench of any reasonable width or depth suitable" (lines 33-37) including instructions and illustrations.
Date:
January 1, 1878
Creator:
Austin, Matthew J.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department