text_original: Mr. Smithson had thrown out the opinion that silica is an add : which opinion was taken up by BerzeUus, who showed, by deciah e ex  FROGHESS OF ASALTTICAI. CHEMISTRY. 223 periments, that it enters into definite combinatians with most of the bases. This happy idea enabled him to show, that most of the stony minerals are definite compounds of silica, with certain earths or metallic osides.
text_transcription: MISTER SMITHSON HAD THROWN OUT THE OPINION THAT SILICA IS AN ACID WHICH OPINION WAS TAKEN UP BY BRAZILIUS WHO SHOWED BY DECISIVE EXPERIMENTS THAT IT ENTERS INTO DEFINITE COMBINATIONS WITH MOST OF THE BASIS THIS HAPPY IDEA ENABLED HIM TO SHOW THAT MOST OF THE STONY MINERALS ARE DEFINITE COMPOUNDS OF SILICA WITH CERTAIN EARTHS OR METALLIC OXIDES
phonemes: mˈɪstɚ. smˈɪθsən hæd θɹˈoʊn ˈaʊt ðɪ əpˈɪniən ðæt sˈɪlɪkə ɪz ɐn ˈæd : wˌɪtʃ əpˈɪniən wʌz tˈeɪkən ˌʌp baɪ bˈɜːz ˈuːz, hˌuː ʃˈoʊd, baɪ dᵻsˈaɪəɹ ˈiː ˈɛks fɹˈɑːɡhɛs ʌv ˈeɪzɔltˌɪkaɪ. kˈɛmɪstɹi. tˈuːhˈʌndɹɪd twˈɛnti θɹˈiː pˈɛɹimənts, ðˌɐɾɪt ˈɛntɚz ˌɪntʊ dˈɛfɪnət kˌɑːmbɪnˈeɪʃənz wɪð mˈoʊst əv ðə bˈeɪsᵻz. ðɪs hˈæpi aɪdˈiə ɛnˈeɪbəld hˌɪm tə ʃˈoʊ, ðæt mˈoʊst əv ðə stˈoʊni mˈɪnɚɹəlz ɑːɹ dˈɛfɪnət kˈɑːmpaʊndz ʌv sˈɪlɪkə, wɪð sˈɜːʔn̩ ˈɜːθs ɔːɹ mətˈælɪk ˈɑːsaɪdz.