<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS ON FORM 10-
QSB AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-QSB.
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                         219,079
<SECURITIES>                                         0
<RECEIVABLES>                                3,655,134
<ALLOWANCES>                                   135,000
<INVENTORY>                                  1,953,927
<CURRENT-ASSETS>                             6,118,012
<PP&E>                                      23,083,422
<DEPRECIATION>                              18,560,014
<TOTAL-ASSETS>                              11,031,972
<CURRENT-LIABILITIES>                        3,609,436
<BONDS>                                              0
<PREFERRED-MANDATORY>                           35,672
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   7,386,864
<TOTAL-LIABILITY-AND-EQUITY>                11,031,972
<SALES>                                              0
<TOTAL-REVENUES>                             4,450,699
<CGS>                                                0
<TOTAL-COSTS>                                2,930,214
<OTHER-EXPENSES>                             1,373,808
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,617
<INCOME-PRETAX>                                150,294
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   150,294
<EPS-PRIMARY>                                     0.05
<EPS-DILUTED>                                        0