EXHIBIT 23.3
 
                         INDEPENDENT AUDITORS' CONSENT
 
  We consent to the use in this Registration Statement on Form S-4 of our report
on Hartman Manufacturing Division of Figgie International, Inc., dated June 28,
1996, appearing in the Prospectus, which is part of this Registration Statement.
 
  We also consent to the reference to us under the heading "Experts" in such
Prospectus.
 
                                          Deloitte & Touche LLP
 
Cleveland, Ohio
October 16, 1997