The Bonnington Chemical Works manufactured asphalt using coal tar and by 1839 had installed it in Bonnington.
ðə bˈɑːnɪŋtən kˈɛmɪkəl wˈɜːks mˌænjuːfˈæktʃɚd ˈæsfɔlt jˈuːzɪŋ kˈoʊl tˈɑːɹ ænd baɪ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd θˈɜːɾi nˈaɪn hæd ɪnstˈɔːld ɪɾ ɪn bˈɑːnɪŋtən.