<TABLE> <S> <C>

<ARTICLE>                                           5
<RESTATED>
       
<S>                                                       <C>                   <C>
<PERIOD-TYPE>                                                        12-MOS                12-MOS
<FISCAL-YEAR-END>                                               DEC-31-1997           DEC-31-1996
<PERIOD-END>                                                    DEC-31-1997           DEC-31-1996
<CASH>                                                              3816000               4066000
<SECURITIES>                                                              0                     0
<RECEIVABLES>                                                      42539000              31371000
<ALLOWANCES>                                                        1771000                830000
<INVENTORY>                                                        18317000              21479000
<CURRENT-ASSETS>                                                   67110000              59694000
<PP&E>                                                             59526000              58183000
<DEPRECIATION>                                                     44257000              41639000
<TOTAL-ASSETS>                                                     93992000              86047000
<CURRENT-LIABILITIES>                                              25875000              24367000
<BONDS>                                                                   0                     0
<PREFERRED-MANDATORY>                                                     0                     0
<PREFERRED>                                                          176000                176000
<COMMON>                                                            2593000               2586000
<OTHER-SE>                                                                0                     0
<TOTAL-LIABILITY-AND-EQUITY>                                       93992000              86047000
<SALES>                                                           167247000             142892000
<TOTAL-REVENUES>                                                  167247000             142892000
<CGS>                                                              95109000              83751000
<TOTAL-COSTS>                                                      95109000              83751000
<OTHER-EXPENSES>                                                          0                     0
<LOSS-PROVISION>                                                          0                     0
<INTEREST-EXPENSE>                                                   172000                466000
<INCOME-PRETAX>                                                    10225000               2752000
<INCOME-TAX>                                                        3757000               1474000
<INCOME-CONTINUING>                                                 6468000               1278000
<DISCONTINUED>                                                            0                     0
<EXTRAORDINARY>                                                           0                     0
<CHANGES>                                                                 0                     0
<NET-INCOME>                                                        6468000               1278000
<EPS-PRIMARY>                                                          2.50                   .49
<EPS-DILUTED>                                                          2.31                   .47
        

</TABLE>