text_original: Upon returning to Paris, and once more in  stalled in his laboratory at the Ecole Normale, Pasteur still continued his studies of beer. The problem to be solved was a very delicate one.
text_transcription: UPON RETURNING TO PARIS AND ONCE MORE INSTALLED IN HIS LABORATORY AT THE E KOLL NORMALLE PASTEUR STILL CONTINUED HIS STUDIES OF BEER THE PROBLEM TO BE SOLVED WAS A VERY DELICATE ONE
phonemes: əpˌɑːn ɹᵻtˈɜːnɪŋ tə pˈæɹɪs, ænd wˈʌns mˈɔːɹ ɪn stˈɔːld ɪn hɪz lˈæbɹətˌɔːɹi æt ðɪ ɪkˈoʊl nˈɔːɹmeɪl, pæstˈʊɹ stˈɪl kəntˈɪnjuːd hɪz stˈʌdiz ʌv bˈɪɹ. ðə pɹˈɑːbləm təbi sˈɑːlvd wʌzɐ vˈɛɹi dˈɛlᵻkət wˌʌn.