<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUL-31-1998 <PERIOD-END> APR-30-1998 <CASH> 9,962,000 <SECURITIES> 1,161,000 <RECEIVABLES> 22,739,000 <ALLOWANCES> (414,000) <INVENTORY> 12,150,000 <CURRENT-ASSETS> 52,190,000 <PP&E> 11,736,000 <DEPRECIATION> 61,669,000 <TOTAL-ASSETS> 130,998,000 <CURRENT-LIABILITIES> 13,461,000 <BONDS> 41,972,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 724,000 <OTHER-SE> 70,130,000 <TOTAL-LIABILITY-AND-EQUITY> 130,998,000 <SALES> 118,995,000 <TOTAL-REVENUES> 118,995,000 <CGS> 81,615,000 <TOTAL-COSTS> 81,615,000 <OTHER-EXPENSES> 31,437,000 <LOSS-PROVISION> 264,000 <INTEREST-EXPENSE> 1,253,000 <INCOME-PRETAX> 4,426,000 <INCOME-TAX> 1,261,000 <INCOME-CONTINUING> 3,165,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,165,000 <EPS-PRIMARY> 0.51 <EPS-DILUTED> 0.51