text_original: On the surface of this mixture there was formed a thin film, of which no one knew the composition, but which was necessary in order to obtain a prompt and thorough acetifi  cation, or transformation into vinegar.
text_transcription: ON THE SURFACE OF THIS MIXTURE THERE WAS FORMED A THIN FILM OF WHICH NO ONE KNEW THE COMPOSITION BUT WHICH WAS NECESSARY IN ORDER TO OBTAIN A PROMPT AND THOROUGH ACIDIFICATION OR TRANSFORMATION INTO VINEGAR
phonemes: ɔnðə sˈɜːfɪs ʌv ðɪs mˈɪkstʃɚ ðɛɹwˌʌz fˈɔːɹmd ɐ θˈɪn fˈɪlm, ʌvwˈɪtʃ nˈoʊwˈʌn nˈuː ðə kˌɑːmpəzˈɪʃən, bˌʌt wˌɪtʃ wʌz nˈɛsᵻsɚɹi ɪn ˈɔːɹdɚ tʊ əbtˈeɪn ɐ pɹˈɑːmpt ænd θˈʌɹoʊ ɐsˈiːɾɪfi kˈæɾaɪən, ɔːɹ tɹænsfɔːɹmˈeɪʃən ˌɪntʊ vˈɪnᵻɡɚ.