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                                                                    Exhibit 3(I)

                            CERTIFICATE OF AMENDMENT
                                     OF THE
                          CERTIFICATE OF INCORPORATION
                                       OF
                                DOVER CORPORATION


                  Dover Corporation, a Delaware corporation (hereinafter called
         the "corporation"), hereby certifies:
                  1. At a meeting of the Board of Directors of the corporation
         duly held and convened, resolutions were duly adopted setting forth the
         following proposed amendment to the Certificate of Incorporation of the
         corporation, declaring the amendment advisable, and directing that the
         proposed amendment be considered at the next annual meeting of
         stockholders:

                           RESOLVED, that the first sentence of Article Fourth
                  of the Restated Certificate of Incorporation of the
                  corporation dated February 13, 1984, as amended on April 25,
                  1989, be further amended to read as follows:

                           "FOURTH: The total number of shares of all classes of
                  stock which the corporation is authorized to issue is
                  500,100,000; of which 500,000,000 shares, having a par value
                  of $1 each shall be Common Stock; and 100,000 shares having a
                  par value of $100 each shall be Preferred Stock, with or
                  without voting powers, full or limited, and in such series and
                  with such designations, preferences and relative,
                  participating, optional or other special rights and
                  qualifications, limitations or restrictions in respect to each
                  class of stock or series thereof as hereinafter provided:"
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                  2.  Thereafter, pursuant to the resolutions of its Board of
         Directors, the annual meeting of stockholders of the corporation was
         duly called and held on notice in accordance with Section 222 of the
         Delaware General corporation Law, at which meeting the necessary number
         of stockholders as required by statute voted in favor of the aforesaid
         amendment.
                  3.  The aforesaid amendment was duly adopted in accordance 
         with the provisions of Section 242 of the Delaware General Corporation 
         Law.
                  4.  The capital of the corporation will not be reduced under 
         or by reason  of the aforesaid amendment.

         IN WITNESS WHEREOF, Dover Corporation has caused this Certificate to be
         duly executed by a Vice President and attested by the Secretary of the
         Corporation thereunto duly authorized as of the 30th day of April,
         1996.

                                            DOVER CORPORATION



                                            By /s/ John F. McNiff
                                               -----------------------
                                               Vice President


         ATTEST:



         /s/ Robert G. Kuhbach
         ---------------------
                 Secretary