



                                                                  Exhibit 23(e)



                CONSENT OF MCDONALD & COMPANY SECURITIES, INC.


We hereby consent to the use of our opinion letter dated October 17, 1997 to
the Board of Directors of Computational Systems, Incorporated ("CSI"),
included as Annex C to the Proxy Statement/Prospectus which forms a part of
the Registration Statement on Form S-4 relating to the proposed merger of CSI
and Emerson Electric Co., and to the references therein to such opinion under
the captions "Summary-Fairness Opinion of Financial Advisor", "The
Merger-Background of the Business Relationship and the Merger", "CSI's Reasons
for the Merger; Recommendation of the CSI Board-Information and Factors
Considered by the CSI Board" and "CSI's Reasons for the Merger; Recommendation
of the CSI Board-Opinion of CSI's Financial Advisor."

In giving such consent, we do not admit that we come within the category of
persons whose consent is required under Section 7 of the Securities Act of
1993, as amended, or the rules and regulations of the Securities and Exchange
Commission thereunder, nor do we thereby admit that we are experts with
respect to any part of such Registration Statement within the meaning of the
term "experts" as used in the Securities Act of 1933, as amended, or the rules
and regulations of the Securities and Exchange Commission thereunder.


                                 /s/ McDonald & Company Securities, Inc.
                                 ---------------------------------------
                                 MCDONALD & COMPANY SECURITIES, INC.



Cleveland, Ohio
November 24, 1997

