<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> MAR-31-1996 <CASH> 184,970 <SECURITIES> 0 <RECEIVABLES> 64,300 <ALLOWANCES> 5,451 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 3,984,540 <DEPRECIATION> 3,389,289 <TOTAL-ASSETS> 1,022,578 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 1,008,375 <TOTAL-LIABILITY-AND-EQUITY> 1,022,578 <SALES> 0 <TOTAL-REVENUES> 111,241 <CGS> 0 <TOTAL-COSTS> 136,860 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (38,169) <INCOME-TAX> 0 <INCOME-CONTINUING> (38,169) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (38,169) <EPS-PRIMARY> 0 <EPS-DILUTED> 0