text_original: Hauy laid it down as a first principle, that every mineral species is composed of the same constituents onited in the same proportion. He therefore con  sidered it as an object of great importance, to pro  cure an exact chemical analysis of every mineral species.
text_transcription: HOW WE LAID IT DOWN AS A FIRST PRINCIPLE THAT EVERY MINERAL SPECIES IS COMPOSED OF THE SAME CONSTITUENTS UNITED IN THE SAME PROPORTION HE THEREFORE CONSIDERED IT AS AN OBJECT OF GREAT IMPORTANCE TO PROCURE AN EXACT CHEMICAL ANALYSIS OF EVERY MINERAL SPECIES
phonemes: hˈɔːi lˈeɪd ɪt dˌaʊn æz ɐ fˈɜːst pɹˈɪnsɪpəl, ðæt ˈɛvɹi mˈɪnɚɹəl spˈiːsiːz ɪz kəmpˈoʊzd ʌvðə sˈeɪm kənstˈɪtʃuːənts ˈɑːnɪɾᵻd ɪnðə sˈeɪm pɹəpˈɔːɹʃən. hiː ðˈɛɹfɔːɹ kˈɑːn sˈaɪdɚd ɪɾ æz ɐn ˈɑːbdʒɛkt ʌv ɡɹˈeɪt ɪmpˈɔːɹtəns, tə pɹˈoʊ kjˈʊɹ ɐn ɛɡzˈækt kˈɛmɪkəl ɐnˈæləsˌɪs ʌv ˈɛvɹi mˈɪnɚɹəl spˈiːsiːz.