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Old national pronunciation

system set up in 1913 for the phonology of standard Chinese, based on Beijing dialect, influenced by older forms of Mandarin and Wu, containing initials /v/, /ŋ/, /ɲ/, preserving the “round-sharp distinction” and the checked tone; abandoned by 1926

Pronunciation
/əʊld ˈnaʃənəl prəˌnʌnsɪˈeɪʃən/
/oʊld ˈnæʃənəl prəˌnənsiˈeɪʃən/