<ARTICLE>                         5
<LEGEND>
This schedule contains summary financial information extracted from Consolidated
Financial Statements Form 10K July 31, 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER>                      1,000
       
                               
<PERIOD-TYPE>                     YEAR
<FISCAL-YEAR-END>                               JUL-31-1998
<PERIOD-START>                                  AUG-01-1997
<PERIOD-END>                                    JUL-31-1998
<CASH>                                                2,746
<SECURITIES>                                              0
<RECEIVABLES>                                         6,034
<ALLOWANCES>                                            102
<INVENTORY>                                           6,135
<CURRENT-ASSETS>                                     15,089
<PP&E>                                               16,438
<DEPRECIATION>                                       12,124
<TOTAL-ASSETS>                                       19,710
<CURRENT-LIABILITIES>                                 6,172
<BONDS>                                                   0
<PREFERRED-MANDATORY>                                   267
<PREFERRED>                                               0
<COMMON>                                                  0
<OTHER-SE>                                           11,826
<TOTAL-LIABILITY-AND-EQUITY>                         19,710
<SALES>                                              30,114
<TOTAL-REVENUES>                                     30,114
<CGS>                                                21,330
<TOTAL-COSTS>                                        28,662
<OTHER-EXPENSES>                                          0
<LOSS-PROVISION>                                          0
<INTEREST-EXPENSE>                                      234
<INCOME-PRETAX>                                       1,284
<INCOME-TAX>                                            180
<INCOME-CONTINUING>                                   1,140
<DISCONTINUED>                                            0
<EXTRAORDINARY>                                           0
<CHANGES>                                                 0
<NET-INCOME>                                          1,104
<EPS-PRIMARY>                                           .42
<EPS-DILUTED>                                           .40