<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAY-31-1997 <PERIOD-START> JUN-01-1997 <PERIOD-END> NOV-30-1997 <CASH> 31,099 <SECURITIES> 0 <RECEIVABLES> 333,603 <ALLOWANCES> 13,189 <INVENTORY> 187,698 <CURRENT-ASSETS> 585,004 <PP&E> 2,215,418 <DEPRECIATION> 1,952,824 <TOTAL-ASSETS> 859,376 <CURRENT-LIABILITIES> 1,066,701 <BONDS> 41,651 <PREFERRED-MANDATORY> 0 <PREFERRED> 100,000 <COMMON> 3,022 <OTHER-SE> (351,998) <TOTAL-LIABILITY-AND-EQUITY> 859,376 <SALES> 1,361,797 <TOTAL-REVENUES> 1,361,797 <CGS> 885,523 <TOTAL-COSTS> 498,986 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (8,380) <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> (31,092) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (31,092) <EPS-PRIMARY> (.05) <EPS-DILUTED> (.05)