dˈɑːn lˈæŋkæstɚz pɹˈoʊɾoʊtˌaɪp tˌiːvˈiː tˈaɪpɹaɪɾɚ wˌɪtʃ ɪz nˈaʊ ˌɔn dɪsplˈeɪ æt ðə kəmpjˈuːɾɚ hˈɪstɚɹi mjuːzˈiəm hɐz ɐ sˈɜːplʌs kˈiːboːɹd wɪð ɐn ˈæski ɛŋkˈoʊdɚ sˈɜːkɪt ðæt wʌz pˈʌblɪʃt ɪnðə fˈɛbɹuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ ˈɪʃuː ʌv ɹˈeɪdɪˌoʊᵻlɛktɹˈɑːnɪks.
Don Lancaster's prototype TV Typewriter which is now on display at the Computer History Museum has a surplus keyboard with an ASCII encoder circuit that was published in the February 1974 issue of Radio-Electronics.