text_original: _—Sulphate of iron or copperas is the chief ingredient in colouring calf black. Used by itself, it gives a greyish tint, but if a coat of salts of tartar or other alkali be previously used it strikes immediately a rich purple black.
text_transcription: SULPHATE OF IRON OR COPPERAS IS THE CHIEF INGREDIENT IN COLOURING CALF BLACK USED BY ITSELF IT GIVES A GRAYISH TINT THAT IF A COAT OF SALTS OF TARTAR OR OTHER ALKALI BE PREVIOUSLY USED IT STRIKES IMMEDIATELY A RICH PURPLE BLACK
phonemes: —sˈʌlfeɪt ʌv ˈaɪɚn ɔːɹ kˈɑːpɚɹəz ɪz ðə tʃˈiːf ɪŋɡɹˈiːdiənt ɪn kˈʌlɚɹɪŋ kˈæf blˈæk. jˈuːzd baɪ ɪtsˈɛlf, ɪt ɡˈɪvz ɐ ɡɹˈeɪɪʃ tˈɪnt, bˌʌt ɪf ɐ kˈoʊt ʌv sˈɔlts ʌv tˈɑːɹɾɚ ɔːɹ ˈʌðɚɹ ˈælkəlˌaɪ biː pɹˈiːviəsli jˈuːzd ɪt stɹˈaɪks ɪmˈiːdɪətli ɐ ɹˈɪtʃ pˈɜːpəl blˈæk.