Some then-common typewriter characters were not included, notably ½ ¼ ¢, while ^ ` ~  were included as diacritics for international use, and < > for mathematical use, together with the simple line characters \ | (in addition to common /).
sˌʌm ðˈɛŋkˈɑːmən tˈaɪpɹaɪɾɚ kˈæɹɪktɚz wɜː nˌɑːt ɪŋklˈuːdᵻd, nˈoʊɾəbli ɐ hˈæf ɐ kwˈɔːɹɾɚ sˈɛnts, wˌaɪl tˈɪldə wɜːɹ ɪŋklˈuːdᵻd æz dˌaɪəkɹˈɪɾɪks fɔːɹ ˌɪntɚnˈæʃənəl jˈuːs, ænd fɔːɹ mˌæθɪmˈæɾɪkəl jˈuːs, təɡˌɛðɚ wɪððə sˈɪmpəl lˈaɪn kˈæɹɪktɚz bˈækslæʃ ɪn ɐdˈɪʃən tə kˈɑːmən slˈæʃ.