<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form
10-Q and is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          AUG-31-1999
<PERIOD-END>                               FEB-28-1999
<CASH>                                         910,934
<SECURITIES>                                         0
<RECEIVABLES>                                6,779,292
<ALLOWANCES>                                   225,800
<INVENTORY>                                  5,072,283
<CURRENT-ASSETS>                            13,057,255
<PP&E>                                      16,303,529
<DEPRECIATION>                              10,324,042
<TOTAL-ASSETS>                              25,487,231
<CURRENT-LIABILITIES>                        6,182,436
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       499,386
<OTHER-SE>                                  16,756,148
<TOTAL-LIABILITY-AND-EQUITY>                25,487,231
<SALES>                                     21,926,465
<TOTAL-REVENUES>                            22,079,953
<CGS>                                       14,541,827
<TOTAL-COSTS>                               14,541,827
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                21,200
<INTEREST-EXPENSE>                              81,465
<INCOME-PRETAX>                              2,892,310
<INCOME-TAX>                                 1,122,500
<INCOME-CONTINUING>                          1,994,443
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,994,443
<EPS-PRIMARY>                                    0.512
<EPS-DILUTED>                                    0.502