<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          FEB-28-1997
<PERIOD-END>                               AUG-31-1996
<CASH>                                           24969
<SECURITIES>                                         0
<RECEIVABLES>                                    20762
<ALLOWANCES>                                       954
<INVENTORY>                                       9684
<CURRENT-ASSETS>                                 58383
<PP&E>                                           80403
<DEPRECIATION>                                   51800
<TOTAL-ASSETS>                                   96267
<CURRENT-LIABILITIES>                            13120
<BONDS>                                            280
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         53125
<OTHER-SE>                                      119681
<TOTAL-LIABILITY-AND-EQUITY>                     96267
<SALES>                                          75639
<TOTAL-REVENUES>                                 75639
<CGS>                                            50573
<TOTAL-COSTS>                                    50573
<OTHER-EXPENSES>                                 13379
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  46
<INCOME-PRETAX>                                  12519
<INCOME-TAX>                                      4702
<INCOME-CONTINUING>                               7817
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      7817
<EPS-PRIMARY>                                      .48
<EPS-DILUTED>                                      .48