WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE. <ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1996 <CASH> 2,444,900 <SECURITIES> 0 <RECEIVABLES> 5,856,000 [ALLOWANCE] 0 <INVENTORY> 9,703,100 <CURRENT-ASSETS> 19,647,100 <PP&E> 10,799,700 <DEPRECIATION> 8,019,200 <TOTAL-ASSETS> 23,074,400 <CURRENT-LIABILITIES> 1,405,500 <BONDS> 0 <COMMON> 17,008,900 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 23,074,400 <SALES> 7,105,000 <TOTAL-REVENUES> 7,105,000 <CGS> 3,774,700 <TOTAL-COSTS> 6,590,600 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 583,000 <INCOME-TAX> 228,500 <INCOME-CONTINUING> 354,500 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 354,500 <EPS-PRIMARY> .06 <EPS-DILUTES> .06