Improvement in Gang-Plow.
Description:
Patent for improvement in gang-plow by using an adjustable slotted cross-bar to enable the “plow-beams to oscillate, so that their landsides are always vertical, however uneven the ground may be.” (Lines 20-21) “This tool can also regulate the depth of the plows in the ground whereby the depth of furrow is adjusted.” (Lines 24-25) Illustration is included.
Date:
April 20, 1869
Creator:
Hall, Thomas J.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department