<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
BALANCE SHEET AND STATEMENT OF EARNINGS FOR JULY 25, 1997 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-25-1997
<PERIOD-START>                             JUL-27-1996
<PERIOD-END>                               JUL-25-1997
<CASH>                                           1,810
<SECURITIES>                                     8,813
<RECEIVABLES>                                    8,538
<ALLOWANCES>                                        82
<INVENTORY>                                      8,005
<CURRENT-ASSETS>                                28,958
<PP&E>                                          24,366
<DEPRECIATION>                                  17,222
<TOTAL-ASSETS>                                  46,708
<CURRENT-LIABILITIES>                            3,703
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           598
<OTHER-SE>                                      41,882
<TOTAL-LIABILITY-AND-EQUITY>                    46,708
<SALES>                                         40,733
<TOTAL-REVENUES>                                40,733
<CGS>                                           17,973
<TOTAL-COSTS>                                   17,973
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  1,577
<INCOME-TAX>                                       251
<INCOME-CONTINUING>                              1,326
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,326
<EPS-PRIMARY>                                      .25
<EPS-DILUTED>                                      .25