<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                       3,210,770
<SECURITIES>                                         0
<RECEIVABLES>                                   72,884
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             3,283,654
<PP&E>                                       6,763,001
<DEPRECIATION>                             (6,717,088)
<TOTAL-ASSETS>                               3,329,567
<CURRENT-LIABILITIES>                          622,681
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   2,706,886
<TOTAL-LIABILITY-AND-EQUITY>                 3,329,567
<SALES>                                              0
<TOTAL-REVENUES>                               176,954
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                66,254
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                110,700
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            110,700
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   110,700
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0