There were more krenoj for breakfast but Jason was feeling too good physically to mind. He was scrubbed raw and clean and the itching was gone even from his sprouting beard. The metalcloth of his Pyrran coverall had dried almost as soon as it had been washed so he was wearing clean clothes as well. Ijale was still recovering from the traumatic effects of her bath, but she looked positively attractive with her skin cleaned and her hair washed and combed a bit. He would have to find some of the local cloth for her since it would be a shame to ruin the good work by letting her get back into the badly cured skins she was used to wearing. It was with a sensation of positive good feeling that he bellowed for the door to be opened and stamped through the cool morning to his place of labor. Mikah was already there, looking scruffy and angry as he rattled his chains; Jason gave him the friendliest of smiles that only rubbed salt into the other’s moral wounds.
“Leg-irons for him, too,” Jason ordered, “And do it fast. We have a big job to do today.” He turned back to the sealed engine, rubbing his hands together with anticipation.
The concealing hood was made of thin metal that could not hide many secrets. He carefully scratched away some of the paint and discovered a crimped and soldered joint where the sides met, but no other revealing marks. After an hour spent tapping all over with his ear pressed to the metal he was sure that the hood was just what he had thought it was when he first examined the thing — a double-walled metal container filled with liquid. Puncture it and you were dead. It was there merely to hide the secrets of the engine, and served no other function. Yet it had to be passed to service the steam engine — or did it? The construction was roughly cubical, and the hood covered only five sides. What about the sixth, the base?
“Now you’re thinking, Jason,” he chortled to himself, and knelt down to examine it. A wide flange, apparently of cast iron, projected all around, and was penetrated by four large bolt holes. The protective casing seemed to be soldered to the base, but there must be stronger concealed attachments because it would not move even after he carefully scratched away some of the solder at the base. Therefore the answer simply had to be on the sixth side.
“Over here, Mikah,” he called, and the man detached himself reluctantly from the warmth of the stove and shuffled up. “Come close and look at this medieval motive-power while we talk, as if we are discussing business. Are you going to co-operate with me?”
“I do not want to, Jason. I am afraid that you will soil me with your touch, as you have others.”
“Well you’re not so clean now — ”
“I do not mean physically.”
“Well I do. You could certainly do with a bath and a deep shampoo. I’m not worried about the state of your soul, you can battle that out on your own time. But if you work with me I’ll find a way to get us out of this place and to the city that made this engine, because if there is a way off this planet we’ll find it only in the city.”
“I know that, yet I still hesitate — ”
“Small sacrifices now for the greater good later. Isn’t the entire purpose of this trip to get me back to justice? You’re not going to accomplish that by rotting out the rest of your life as a slave.”
“You are the devil’s advocate the way you twist my conscience — yet what you say is true. I will help you here so that we can escape.”
“Fine. Now get to work. Take Narsisi and have him round up at least three good-sized poles, the kind we were chained to in the pumping gang. Bring them back here along with a couple of shovels.”
Slaves carried the poles only as far as the outside of the skin walls, since Edipon would not admit them inside, and it was up to Jason and Mikah to drag them laboriously to the site. The D’zertanoj, who never did physical labor, thought it was very funny when Jason suggested that they help. Once in position by the engine, Jason dug channels beneath it and forced the bars under. When this was done he took turns with Mikah in digging out the sand beneath until the engine stood over a pit supported only by the bars. Jason let himself down and examined the bottom of the machine. It was smooth and featureless.
Once more he scratched away the paint with careful precision, until it was cleared around the edges. Here the solid metal gave way to solder and he picked at this until he discovered that a piece of sheet metal had been soldered at the edges and fastened to the bedplate. “Very tricky, these Appsalanoj,” he chortled and attacked the solder with a knife blade. When one end was loose he slowly pulled the sheet of metal away, making positive that there was nothing attached to it, nor that it had been booby-trapped in any way. It came off easily enough and clanged down into the pit. The revealed surface was smooth metal, featureless and hard.
“Enough for one day,” Jason said, climbing out of the pit and brushing off his hands. It was almost dark. “We’ve accomplished enough for now and I want to think a bit before I go ahead. So far luck has been on our side, but I don’t think it should be this easy. I hope you brought your suitcase with you, Mikah, because you’re moving in with me.”
“Never! A sink of sin, depravity — ”
Jason looked him coldly in the eye and with each word he spoke he stabbed him in the chest with his finger to drive home the point. “You are moving in with me because that is essential to our plans. And if you stop referring to my moral weaknesses I’ll stop talking about yours. Now come on.”
Living with Mikah Samon was trying, but barely possible. He made Ijale and Jason go to the far wall and turn their backs and promise not to look while he bathed behind a screen of skins. Jason did this but exacted a small revenge by telling Ijale jokes so that they tittered together and Mikah would be sure they were laughing at him. The screen of skins remained after the bath, and was reinforced, and Mikah retired behind it to sleep. Their food still consisted only of krenoj and Jason shuddered while he admitted that he was actually growing used to them.
The following morning, under the frightened gaze of his guards, Jason tackled the underside of the baseplate. He had been thinking about it a good part of the night and he put his theories to the test at once. By pressing hard on a knife he could make a good groove in the metal. It was not as soft as the solder, but seemed to be some simple alloy containing a good percentage of lead. What could it be concealing? Probing carefully with the point of the knife he covered the bottom in a regular pattern. The depth of the metal was uniformly deep except in two spots where he found irregularities, they were on the midline of the rectangular base, and equidistant from the ends and sides. Picking and scraping he uncovered two familiar looking shapes each as big as his head.
“Mikah. Get down in this hole and look at these things. Tell me what you think they are.”
Mikah scratched his beard. “They’re still covered with this metal, I can’t be sure — ”
“I’m not asking you to be sure of anything — just tell me what they make you think of.”
“Why… big nuts of course. Threaded on the ends of bolts. But they are so big — ”
“They would have to be if they hold the entire metal case on. I think we are getting very close now to the mystery of how to open the engine — and this is the time to be careful. I still can’t believe it is as easy as this to crack the secret. I’m going to whittle a wooden template of the nut, then have a wrench made. While I’m gone you stay down here and pick all the metal off the bolt and out of the screw threads. I can put off doing it while we think this thing through, but sooner or later I’m going to have to take a stab at turning one of those nuts. And I find it very hard to forget about that mustard gas.”