ˌeɪtʃtˌiːtˈiːpˌiːˈɛs:slˈæʃslæʃ wˈɛb.ˈɑːɹkaɪv.ˈɔːɹɡ slˈæʃ wˈɛb slˈæʃ twˈɛnti tɹˈɪliən sˈɪksti bˈɪliən wˈʌnhˈʌndɹɪd θɹˈiː mˈɪliən tˈuːhˈʌndɹɪd twˈɛnti tˈuː θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɛvən slˈæʃ ˌeɪtʃtˌiːtˌiːpˈiː:slˈæʃslæʃ dˌʌbəljˌuːdˌʌbəljˌuːdˈʌbəljˌuː.pˈiːdʒˈɑːnlaɪn.kˈɑːm slˈæʃ ˌɛdɪtˈoːɹɪəl slˈæʃ twˈɛnti mˈɪliən wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd twˈɛnti θɹˈiː slˈæʃ ˈɑːɹɾɪkəlz slˈæʃ ɹᵻspˈɪɹeɪɾɚ.ˌeɪtʃtˌiːˌɛmˈɛl ˈɑːɹɾɪkəl ɔnðə hˈɪstɚɹi ʌvðə ɹᵻspˈɪɹeɪɾɚ
https://web.archive.org/web/20060103222107/http://www.pjonline.com/Editorial/20001223/articles/respirator.html (article on the history of the respirator)