text_original: His periscopic glasses must have been found useful^ for they sold rather extensively : and his sliding* rule for chemical equivalents furnished a ready method for calculating the proportions of one suIh stance necessary to decompose a given weight of another.
text_transcription: HIS PERISCOPIC GLASSES MUST HAVE BEEN FOUND USEFUL FOR THEY SOLD RATHER EXTENSIVELY AND HIS SLIDING RULE FOR CHEMICAL EQUIVALENTS FURNISHED A READY METHOD FOR CALCULATING THE PROPORTIONS OF ONE SUBSTANCE NECESSARY TO DECOMPOSE A GIVEN WEIGHT OF ANOTHER
phonemes: hɪz pˌɛɹɪskˈɑːpɪk ɡlˈæsᵻz mˈʌstɐv bˌɪn fˈaʊnd jˈuːsfəl fɔːɹ ðeɪ sˈoʊld ɹˈæðɚɹ ɛkstˈɛnsɪvli : ænd hɪz slˈaɪdɪŋ ˈæstɚɹˌɪsk ɹˈuːl fɔːɹ kˈɛmɪkəl ɪkwˈɪvələnts fˈɜːnɪʃt ɐ ɹˈɛdi mˈɛθəd fɔːɹ kˈælkjʊlˌeɪɾɪŋ ðə pɹəpˈɔːɹʃənz ʌv wˈʌn sˈuː ˈaɪ stˈæns nˈɛsᵻsɚɹi tə dˌiːkəmpˈoʊz ɐ ɡˈɪvən wˈeɪt ʌv ɐnˈʌðɚ.