SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934



         Date of Report (Date of earliest event reported) APRIL 21, 2004
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                             THOMAS INDUSTRIES INC.
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             (Exact name of registrant as specified in its charter)



                                    DELAWARE
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                 (State or other jurisdiction of incorporation)


                   1-5426                                  61-0505332
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         (Commission File Number)              (IRS Employer Identification No.)

      4360 BROWNSBORO ROAD, SUITE 300
            LOUISVILLE, KENTUCKY                            40207
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      (Address of principal executive offices)           (Zip Code)

         Registrant's telephone number, including area code 502/893-4600
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                                       N/A
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          (Former name or former address, if changed since last report)



ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

                  (c)  Exhibits

                           Exhibit Number   Description
                           --------------   -----------

                                99.1        Press Release dated April 21, 2004
                                            announcing first quarter results.

ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION

         On April 21, 2004, Thomas Industries Inc. issued a press release
announcing first quarter results. A copy of the press release is filed herewith
as Exhibit 99.1 and is hereby incorporated by reference.

         The information in this Form 8-K is being furnished and shall not be
deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of
1934 or otherwise subject to the liabilities of that Section. The information in
this Form 8-K shall not be incorporated by reference in any other filing under
the Securities Exchange Act or Securities Act of 1933 except as shall be
expressly set forth by specific reference to this Form 8-K in such filing.



                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                     THOMAS INDUSTRIES INC.
                                     (Registrant)

                                     By:  /s/ Phillip J. Stuecker
                                          ------------------------------------
                                          Phillip J. Stuecker, Vice President of
                                          Finance, Chief Financial Officer, and
                                          Secretary

Dated:  April 21, 2004