kˈoʊlbɜːn wˈɜːkt ɔːɹ wʌz ɐsˈoʊsɪˌeɪɾᵻd wɪð ɐ nˈʌmbɚɹ ʌv lˌoʊkəmˈoʊɾɪv wˈɜːks bᵻtwˌiːn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti fˈoːɹ ænd wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti ˈeɪt, ɪŋklˈuːdɪŋ: bˈɔːldwɪn lˌoʊkəmˈoʊɾɪv wˈɜːks, tɹˈɛdɛɡɚ lˌoʊkəmˈoʊɾɪv wˈɜːks pˈɑːɹt ʌv tɹˈɛdɛɡɚɹ ˈaɪɚn wˈɜːks æt ɹˈɪtʃmənd, vɜːdʒˈɪniə, ɹˈɑːdʒɚz lˌoʊkəmˈoʊɾɪv wˈɜːks, ænd ðə nˈuː dʒˈɜːsi lˌoʊkəmˈoʊɾɪv ænd məʃˈiːn kˈʌmpəni.
Colburn worked or was associated with a number of locomotive works between 1854 and 1858, including: Baldwin Locomotive Works, Tredegar Locomotive Works – part of Tredegar Iron Works at Richmond, Virginia, Rogers Locomotive Works, and the New Jersey Locomotive and Machine Company.