Meanwhile, Clara was in pursuit after them on horseback."Doc" fed the locomotive chemically-treated Presto logs to burn hotter and longer in the furnace to increase its speed, while Marty sat in the DeLorean.The detective is thoroughly confused, and naturally wonders whether Madeleine is indeed an illusion - a spirit, a ghost, or a phantom.WouId the idea interest you?...l shouldn""t be able to pay you much money at first, of course - eight pounds a week and expenses.Gimme four bits!Mac: (After reaching deeply into his pocket and looking slightly embarrassed) I ain""t got no money with me.