<ARTICLE>                                      5
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<PERIOD-TYPE>                                                                                 12-MOS
<FISCAL-YEAR-END>                                                                             DEC-31-1998
<PERIOD-END>                                                                                  DEC-31-1998
<CASH>                                                                                                    5,809
<SECURITIES>                                                                                             66,444
<RECEIVABLES>                                                                                            62,822
<ALLOWANCES>                                                                                              1,910
<INVENTORY>                                                                                              54,048
<CURRENT-ASSETS>                                                                                        198,573
<PP&E>                                                                                                  237,215
<DEPRECIATION>                                                                                          162,704
<TOTAL-ASSETS>                                                                                          352,740
<CURRENT-LIABILITIES>                                                                                    67,810
<BONDS>                                                                                                  20,162
<PREFERRED-MANDATORY>                                                                                         0
<PREFERRED>                                                                                                   0
<COMMON>                                                                                                 15,000
<OTHER-SE>                                                                                              214,593
<TOTAL-LIABILITY-AND-EQUITY>                                                                            352,740
<SALES>                                                                                                 249,413
<TOTAL-REVENUES>                                                                                        261,131
<CGS>                                                                                                   167,399
<TOTAL-COSTS>                                                                                           213,066
<OTHER-EXPENSES>                                                                                              0
<LOSS-PROVISION>                                                                                            352
<INTEREST-EXPENSE>                                                                                          485
<INCOME-PRETAX>                                                                                          47,580
<INCOME-TAX>                                                                                             18,527
<INCOME-CONTINUING>                                                                                      29,053
<DISCONTINUED>                                                                                                0
<EXTRAORDINARY>                                                                                               0
<CHANGES>                                                                                                     0
<NET-INCOME>                                                                                             29,053
<EPS-PRIMARY>                                                                                              2.85
<EPS-DILUTED>                                                                                              2.82