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                                                                    EXHIBIT 23.1
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
   
     As independent public accountants, we hereby consent to the use in this
registration statement of our report dated February 14, 1996, (except with
respect to the matter discussed in Note 16, as to which the date is October 17,
1996) and to all references to our Firm included in this registration statement.
    
 
                                          /s/ ARTHUR ANDERSEN LLP
 
                                          ARTHUR ANDERSEN LLP
 
Chicago, Illinois
   
February 10, 1997