<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 251,709 <SECURITIES> 0 <RECEIVABLES> 107,933 <ALLOWANCES> 57,022 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 4,242,401 <DEPRECIATION> 3,567,969 <TOTAL-ASSETS> 2,044,123 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 2,000,823 <TOTAL-LIABILITY-AND-EQUITY> 2,044,123 <SALES> 0 <TOTAL-REVENUES> 1,144,180 <CGS> 0 <TOTAL-COSTS> 670,557 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 473,623 <INCOME-TAX> 0 <INCOME-CONTINUING> 473,623 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 473,623 <EPS-PRIMARY> 0 <EPS-DILUTED> 0