<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> MAY-31-1998 <PERIOD-END> FEB-28-1998 <CASH> 800,200 <SECURITIES> 0 <RECEIVABLES> 2,124,900 <ALLOWANCES> 208,000 <INVENTORY> 953,500 <CURRENT-ASSETS> 3,140,500 <PP&E> 4,828,900 <DEPRECIATION> 3,424,500 <TOTAL-ASSETS> 5,099,100 <CURRENT-LIABILITIES> 1,290,400 <BONDS> 9,650,600 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,811,500 <OTHER-SE> (7,909,600) <TOTAL-LIABILITY-AND-EQUITY> 5,099,100 <SALES> 4,763,000 <TOTAL-REVENUES> 4,763,000 <CGS> 3,526,900 <TOTAL-COSTS> 3,526,900 <OTHER-EXPENSES> 1,104,500 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 186,500 <INCOME-PRETAX> (55,300) <INCOME-TAX> 0 <INCOME-CONTINUING> (55,300) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (55,300) <EPS-PRIMARY> (.01) <EPS-DILUTED> 0