text_original: But, during his analytical processes, he discovered a variety of new elementary substances "which it may be proper to enumerate.
text_transcription: BUT DURING HIS ANALYTICAL PROCESSES HE DISCOVERED A VARIETY OF NEW ELEMENTARY SUBSTANCES WHICH IT MAY BE PROPER TO ENUMERATE
phonemes: bˌʌt, dˈʊɹɹɪŋ hɪz ˌænɐlˈɪɾɪkəl pɹˈɑːsɛsᵻz, hiː dɪskˈʌvɚd ɐ vɚɹˈaɪəɾi ʌv nˈuː ˌɛlɪmˈɛntɚɹi sˈʌbstənsᵻz "wˌɪtʃ ɪt mˈeɪ biː pɹˈɑːpɚ tʊ ɪnˈuːmɚɹˌeɪt.