<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          15,095
<SECURITIES>                                         0
<RECEIVABLES>                                   39,392
<ALLOWANCES>                                       624
<INVENTORY>                                     29,733
<CURRENT-ASSETS>                                96,998
<PP&E>                                         112,161
<DEPRECIATION>                                  83,386
<TOTAL-ASSETS>                                 144,772
<CURRENT-LIABILITIES>                           68,104
<BONDS>                                         38,590
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        26,909
<OTHER-SE>                                    (12,486)
<TOTAL-LIABILITY-AND-EQUITY>                   144,772
<SALES>                                        108,895
<TOTAL-REVENUES>                               116,828
<CGS>                                           72,822
<TOTAL-COSTS>                                   77,444
<OTHER-EXPENSES>                                32,927
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,803
<INCOME-PRETAX>                                  3,877
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                              3,877
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,877
<EPS-PRIMARY>                                     0.37<F1>
<EPS-DILUTED>                                     0.36<F2>
<FN>
<F1>REPRESENTS EARNINGS PER SHARE - BASIC PER SFAS 128
<F2>REPRESENTS EARNINGS PER SHARE - DILUTED PER SFAS 128
</FN>