Text complete: this door did n't open into another room , but opened at the base of a vertical metal tube that had a single ladder affixed to the inside . as i had done a few times before i climbed this metal ladder and climbed the metal tube , then opening a hatch at the top of the tube climbed out onto the roof of the machine . here there was a circular lookout area surrounded by a safety railing , i liked coming up here as did the rest of the party , for it afforded some relief from the heat and oily smell of the interior of the
machine