
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule  contains summary financial information extracted from the
Form 10Q financial statements filed for the period ending September 30, 1995 
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               SEP-30-1995
<CASH>                                              47
<SECURITIES>                                     36157
<RECEIVABLES>                                    30701
<ALLOWANCES>                                         0
<INVENTORY>                                      11744
<CURRENT-ASSETS>                                 86677
<PP&E>                                           57552
<DEPRECIATION>                                   40703
<TOTAL-ASSETS>                                  160718
<CURRENT-LIABILITIES>                            26114
<BONDS>                                            519
<COMMON>                                           645
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      130039
<TOTAL-LIABILITY-AND-EQUITY>                    160718
<SALES>                                              0
<TOTAL-REVENUES>                                 34728
<CGS>                                                0
<TOTAL-COSTS>                                    24927
<OTHER-EXPENSES>                                  5987
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                   4564
<INCOME-TAX>                                      1816
<INCOME-CONTINUING>                               2748
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      2748
<EPS-PRIMARY>                                     0.41
<EPS-DILUTED>                                     0.41
        


</TABLE>
