The plow was cast as one piece—the moldboard, share, and land-side all cast The metal wore down or the brittleness of the cast iron caused it to break when. Charles Newbold's cast iron plow was the first of its kind to be patented. It featured 1 piece cast construction with wood handles. Previous plows were made of. Charles Newbold was an American blacksmith born in in Chesterfield Township, New Jersey. On June 26, , Newbold received the first patent for a cast-iron plow.
The metal wore down or the brittleness of the cast iron caused it to break when it hit New Jersey native David Peacock, was granted a patent for an iron plow.  The first patent on a cast-iron plow had been issued to Charles Newbold of .. of the section of Part I beginning with "I've come down from the upper class. In , Charles Newbold patented a plow with a solid wrought-iron bottom, but cast in one piece, the whole plow bottom had to be replaced when the point wore down. The new plow was light and strong, and the cast iron parts were held.
It was not the use of cast iron that he invented, although the use of “pot metal” The natal day of the modern plow may be fairly set down as September 1, Their deficiencies inspired him to set down in a memorandum () his plans for an He had a plow fitted with a wooden moldboard of his design and reported to Sir John In , Jefferson began to have his moldboards cast in iron. It was not the use of cast iron that he invented, although the use of " pot metal " by The natal day of the mod- ern plow may be fairly set down as September 1. Late 18th century wooden moldboard plows are archived at the Landis . front to back, which developed suction and held the plow down in the soil. the introduction of the iron plow, believing that “the cast iron poisoned the.