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                                                                EXHIBIT 23.1

   
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

        As independent public accountants, we hereby consent to the use of our
report, which contained a captioned opinion dated January 23, 1997 (except 
with respect to the matters discussed in Notes 14 and 15, as to which the date
is March 5, 1997 and with respect to the matter discussed in Note 16, as to 
which the date is September 26, 1997) and to all references to our Firm 
included in or made a part of this registration statement.
    

                                                  /s/ Arthur Andersen LLP
                                                  ARTHUR ANDERSEN LLP


Chicago, Illinois
September 29, 1997