<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> SEP-30-1995 <CASH> 281,267 <SECURITIES> 0 <RECEIVABLES> 60,933 <ALLOWANCES> 31,571 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 4,920,653 <DEPRECIATION> 4,052,266 <TOTAL-ASSETS> 1,243,839 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,214,959 <TOTAL-LIABILITY-AND-EQUITY> 1,243,839 <SALES> 0 <TOTAL-REVENUES> 756,016 <CGS> 0 <TOTAL-COSTS> 525,605 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 230,411 <INCOME-TAX> 0 <INCOME-CONTINUING> 230,411 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 230,411 <EPS-PRIMARY> 0 <EPS-DILUTED> 0