<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 2,772,762 <SECURITIES> 0 <RECEIVABLES> 74,937 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,847,699 <PP&E> 3,514,295 <DEPRECIATION> 2,918,957 <TOTAL-ASSETS> 3,443,037 <CURRENT-LIABILITIES> 79,331 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 3,363,706 <TOTAL-LIABILITY-AND-EQUITY> 3,443,037 <SALES> 0 <TOTAL-REVENUES> 1,173,599 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 434,425 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 18,835 <INCOME-PRETAX> 720,339 <INCOME-TAX> 0 <INCOME-CONTINUING> 720,339 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 720,339 <EPS-PRIMARY> 0 <EPS-DILUTED> 0