Double Plow Diagram

Inventor and Jefferson County native Andrew Jackson Beard submitted this diagram of his design for a double plow to the U.S. Patent Office in April 1881. It was one of several inventions that he developed during his lifetime.

Patent drawing for Andrew Jackson Beard’s 1881 double plow, showing two technical views of the agricultural implement with labeled components and patent information at the top of the page.
Patent drawing for Andrew Jackson Beard’s 1881 double plow, showing two technical views of the agricultural implement with labeled components and patent information at the top of the page.