text_original: It was during this period that he demonstrated the metallic nature of manganese, and examined the properties of the metal. This discovery was an  nounced as his, at the time, by Bergman, and was almost the only one of the immense number of new facts which he had ascertained that was publicly known to be his.
text_transcription: IT WAS DURING THIS PERIOD THAT HE DEMONSTRATED THE METALLIC NATURE OF MANGANESE AND EXAMINED THE PROPERTIES OF THE METAL THIS DISCOVERY WAS ANNOUNCED AS HIS AT THE TIME BY BERGMANN AND WAS ALMOST THE ONLY ONE OF THE IMMENSE NUMBER OF NEW FACTS WHICH HE HAD ASCERTAINED THAT WAS PUBLICLY KNOWN TO BE HIS
phonemes: ɪt wʌz dˈʊɹɹɪŋ ðɪs pˈiəɹɪəd ðæt hiː dˈɛmənstɹˌeɪɾᵻd ðə mətˈælɪk nˈeɪtʃɚɹ ʌv mˈæŋɡənˌiːz, ænd ɛɡzˈæmɪnd ðə pɹˈɑːpɚɾiz ʌvðə mˈɛɾəl. ðɪs dɪskˈʌvɚɹi wʌz æn nˈaʊnst æz hˈɪz, æt ðə tˈaɪm, baɪ bˈɜːɡmən, ænd wʌz ˈɔːlmoʊst ðɪ ˈoʊnli wˈʌn ʌvðɪ ɪmˈɛns nˈʌmbɚɹ ʌv nˈuː fˈækts wˌɪtʃ hiː hæd ˌæsɚtˈeɪnd ðæt wʌz pˈʌblɪkli nˈoʊn təbi hˈɪz.