WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE. <ARTICLE> 5 <CIK> 0000069488 <NAME> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 4,626,394 <SECURITIES> 0 <RECEIVABLES> 53,706,979 <ALLOWANCES> 1,834,000 <INVENTORY> 40,415,325 <CURRENT-ASSETS> 100,905,521 <PP&E> 135,370,332 <DEPRECIATION> 64,115,705 <TOTAL-ASSETS> 195,064,582 <CURRENT-LIABILITIES> 35,385,909 <BONDS> 0 <COMMON> 10,300,412 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 139,687,626 <TOTAL-LIABILITY-AND-EQUITY> 195,064,582 <SALES> 72,554,256 <TOTAL-REVENUES> 72,554,256 <CGS> 48,204,214 <TOTAL-COSTS> 56,169,959 <OTHER-EXPENSES> 7,249,956 <LOSS-PROVISION> 240,000 <INTEREST-EXPENSE> 233,293 <INCOME-PRETAX> 8,872,935 <INCOME-TAX> 3,658,000 <INCOME-CONTINUING> 5,214,935 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,214,935 <EPS-PRIMARY> .31 <EPS-DILUTED> .31