<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> SEP-30-1995 <CASH> 368,820 <SECURITIES> 0 <RECEIVABLES> 30,738 <ALLOWANCES> 41,297 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 4,479,033 <DEPRECIATION> 3,684,805 <TOTAL-ASSETS> 1,194,096 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,179,640 <TOTAL-LIABILITY-AND-EQUITY> 1,194,096 <SALES> 0 <TOTAL-REVENUES> 510,607 <CGS> 0 <TOTAL-COSTS> 415,872 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 94,735 <INCOME-TAX> 0 <INCOME-CONTINUING> 94,735 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 94,735 <EPS-PRIMARY> 0 <EPS-DILUTED> 0