<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND STATEMENT OF EARNINGS FOR JANUARY 24, 1997 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUL-25-1997
<PERIOD-START>                             OCT-26-1996
<PERIOD-END>                               JAN-24-1997
<CASH>                                           2,076
<SECURITIES>                                     4,177
<RECEIVABLES>                                    7,171
<ALLOWANCES>                                        97
<INVENTORY>                                      7,187
<CURRENT-ASSETS>                                22,840
<PP&E>                                          23,554
<DEPRECIATION>                                  16,578
<TOTAL-ASSETS>                                  46,170
<CURRENT-LIABILITIES>                            3,692
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           598
<OTHER-SE>                                      41,287
<TOTAL-LIABILITY-AND-EQUITY>                    46,170
<SALES>                                         19,071
<TOTAL-REVENUES>                                19,071
<CGS>                                            8,604
<TOTAL-COSTS>                                    8,604
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    315
<INCOME-TAX>                                         7
<INCOME-CONTINUING>                                308
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       308
<EPS-PRIMARY>                                      .06
<EPS-DILUTED>                                      .06