<ARTICLE>                     5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
UNAUDITED  CONDENSED  CONSOLIDATED  STATEMENT  OF  EARNINGS  AND  THE  UNAUDITED
CONDENSED  CONSOLIDATED  BALANCE  SHEETS OF THE REGISTRANT AS OF AND FOR THE SIX
MONTHS  ENDED JUNE 30, 1999,  RESPECTIVELY,  AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE  TO SUCH  FINANCIAL  STATEMENTS.  AMOUNTS ARE IN  THOUSANDS OF DOLLARS
EXCEPT PER SHARE DATA.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1999
<PERIOD-START>                                 JAN-01-1999
<PERIOD-END>                                   JUN-30-1999
<CASH>                                         61,355
<SECURITIES>                                   8,942
<RECEIVABLES>                                  211,437
<ALLOWANCES>                                   17,855
<INVENTORY>                                    120,652
<CURRENT-ASSETS>                               446,382
<PP&E>                                         491,522
<DEPRECIATION>                                 289,506
<TOTAL-ASSETS>                                 745,017
<CURRENT-LIABILITIES>                          160,132
<BONDS>                                        109,675
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       21,913
<OTHER-SE>                                     444,140
<TOTAL-LIABILITY-AND-EQUITY>                   745,017
<SALES>                                        476,258
<TOTAL-REVENUES>                               481,688
<CGS>                                          288,526
<TOTAL-COSTS>                                  288,526
<OTHER-EXPENSES>                               143,055
<LOSS-PROVISION>                               1,066
<INTEREST-EXPENSE>                             4,999
<INCOME-PRETAX>                                45,108
<INCOME-TAX>                                   18,945
<INCOME-CONTINUING>                            26,163
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   26,163
<EPS-BASIC>                                  1.20
<EPS-DILUTED>                                  1.19