ˌɔn ˈeɪpɹəl wˈʌn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvən, ɪnvˈɛntɚ dˈeɪvɪd pˈiːkɑːk wʌz ˈɪʃuːd ɐ pˈæʔn̩t fɚɹə θɹˈiːpˈiːs ˈaɪɚn plˈaʊ nˈuːboʊldz plˈaʊ wʌz kˈæst ɪn wˈʌn pˈiːs.
On April 1, 1807, inventor David Peacock was issued a patent for a three-piece iron plow (Newbold's plow was cast in one piece).