<ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUL-31-1996 <PERIOD-END> APR-30-1996 <CASH> 63,966 <SECURITIES> 0 <RECEIVABLES> 676,483 <ALLOWANCES> 2,500 <INVENTORY> 646,768 <CURRENT-ASSETS> 1,459,311 <PP&E> 2,754,354 <DEPRECIATION> 1,565,649 <TOTAL-ASSETS> 2,790,057 <CURRENT-LIABILITIES> 1,131,571 <BONDS> 0 <COMMON> 5,328 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,653,158 <TOTAL-LIABILITY-AND-EQUITY> 2,790,057 <SALES> 1,536,964 <TOTAL-REVENUES> 1,538,525 <CGS> 1,117,967 <TOTAL-COSTS> 1,117,967 <OTHER-EXPENSES> 1,162,534 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 55,998 <INCOME-PRETAX> (797,974) <INCOME-TAX> (17,000) <INCOME-CONTINUING> (780,974) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (780,974) <EPS-PRIMARY> (1.50) <EPS-DILUTED> (1.50)