ðɪ ɚɹˈɪdʒɪnəl kˈæmɹə nˈɛɡətˌɪv ɪz tˈɪpɪkli tʃˈɛkɚbˌoːɹdᵻd ˌɔn sˈɛvɹəl ɹˈoʊlz, ɔːɹ mˈeɪ biː kˈɛmɪkli ʌnstˈeɪbəl ɪf stˈoːɹd ɪmpɹˈɑːpɚli.
The original camera negative is typically checkerboarded on several rolls, or may be chemically unstable if stored improperly.