Probably the most influential single device affecting the interpretation of these characters was the Teletype Model 33 ASR, which was a printing terminal with an available paper tape reader/punch option.
pɹˈɑːbəbli ðə mˈoʊst ˌɪnfluːˈɛnʃəl sˈɪŋɡəl dɪvˈaɪs ɐfˈɛktɪŋ ðɪ ɪntˌɜːpɹɪtˈeɪʃən ʌv ðiːz kˈæɹɪktɚz wʌzðə tˈɛlᵻtˌaɪp mˈɑːdəl θˈɜːɾi θɹˈiː ˌeɪˌɛsˈɑːɹ, wˌɪtʃ wʌzɐ pɹˈɪntɪŋ tˈɜːmɪnəl wɪð ɐn ɐvˈeɪləbəl pˈeɪpɚ tˈeɪp ɹˈiːdɚ slˈæʃ pˈʌntʃ ˈɑːpʃən.