<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <CASH> 443,768 <SECURITIES> 0 <RECEIVABLES> 36,306 <ALLOWANCES> 36,020 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 4,714,054 <DEPRECIATION> 3,822,801 <TOTAL-ASSETS> 1,372,505 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,349,007 <TOTAL-LIABILITY-AND-EQUITY> 1,372,505 <SALES> 0 <TOTAL-REVENUES> 344,570 <CGS> 0 <TOTAL-COSTS> 283,467 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 61,103 <INCOME-TAX> 0 <INCOME-CONTINUING> 61,103 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 61,103 <EPS-PRIMARY> 0 <EPS-DILUTED> 0