Then she dropped the panel gently back into place and looked around.
She was crouching in a narrow metal channel supported in a framework of girders and struts. The panels of the ceilings were slightly translucent, so some light came up from below, and in the faint gleam Lyra could see this narrow space (only two feet or so in height) extending in all directions around her. It was crowded with metal ducts and pipes, and it would be easy to get lost in, but provided she kept to the metal and avoided putting any weight on the panels, and as long as she made no noise, she should be able to go from one end of the station to the other.
“It's just like back in Jordan, Pan,” she whispered, “looking in the Retiring Room.”
“If you hadn't done that, none of this would have happened,” he whispered back.
“Then it's up to me to undo it, isn't it?”
She got her bearings, working out approximately which direction the conference room was in, and then set off. It was a far from easy journey. She had to move on hands and knees, because the space was too low to crouch in, and every so often she had to squeeze under a big square duct or lift herself over some heating pipes. The metal channels she crawled in followed the tops of internal walls, as far as she could tell, and as long as she stayed in them she felt a comforting solidity below her; but they were very narrow, and had sharp edges, so sharp that she cut her knuckles and her knees on them, and before long she was sore all over, and cramped, and dusty.
But she knew roughly where she was, and she could see the dark bulk of her furs crammed in above the dormitory to guide her back. She could tell where a room was empty because the panels were dark, and from time to time she heard voices from below, and stopped to listen, but it was only the cooks in the kitchen, or the nurses in what Lyra, in her Jordan way, thought of as their common room. They were saying nothing interesting, so she moved on.
At last she came to the area where the conference room should be, according to her calculations; and sure enough, there was an area free of any pipework, where air conditioning and heating ducts led down at one end, and where all the panels in a wide rectangular space were lit evenly. She placed her ear to the panel, and heard a murmur of male adult voices, so she knew she had found the right place.
She listened carefully, and then inched her way along till she was as close as she could get to the speakers. Then she lay full length in the metal channel and leaned her head sideways to hear as well as she could.
There was the occasional clink of cutlery, or the sound of glass on glass as drink was poured, so they were having dinner as they talked. There were four voices, she thought, including Mrs. Coulter's. The other three were men. They seemed to be discussing the escaped dasmons.
“But who is in charge of supervising that section?” said Mrs. Coulter's gentle musical voice.
“A research student called McKay,” said one of the men. “But there are automatic mechanisms to prevent this sort of thing happening—”
“They didn't work,” she said.
“With respect, they did, Mrs. Coulter. McKay assures us that he locked all the cages when he left the building at eleven hundred hours today. The outer door of course would not have been open in any case, because he entered and left by the inner door, as he normally did. There's a code that has to be entered in the ordinator controlling the locks, and there's a record in its memory of his doing so. Unless that's done, an alarm goes off.”
“But the alarm didn't go off,” she said.
“It did. Unfortunately, it rang when everyone was outside, taking part in the fire drill.”
“But when you went back inside—”
“Unfortunately, both alarms are on the same circuit; that's a design fault that will have to be rectified. What it meant was that when the fire bell was turned off after the practice, the laboratory alarm was turned off as well. Even then it would still have been picked up, because of the normal checks that would have taken place after every disruption of routine; but by that time, Mrs. Coulter, you had arrived unexpectedly, and if you recall, you asked specifically to meet the laboratory staff there and then, in your room. Consequently, no one returned to the laboratory until some time later.”
“I see,” said Mrs. Coulter coldly. “In that case, the daemons must have been released during the fire drill itself. And that widens the list of suspects to include every adult in the station. Had you considered that?”
“Had you considered that it might have been done by a child?” said someone else.
She was silent, and the second man went on:
“Every adult had a task to do, and every task would have taken their full attention, and every task was done. There is no possibility that any of the staff here could have opened the door. None. So either someone came from outside altogether with the intention of doing that, or one of the children managed to find his way there, open the door and the cages, and return to the front of the main building.”
“And what are you doing to investigate?” she said. “No; on second thought, don't tell me. Please understand, Dr. Cooper, I'm not criticizing out of malice. We have to be quite extraordinarily careful. It was an atrocious lapse to have allowed both alarms to be on the same circuit. That must be corrected at once. Possibly the Tartar officer in charge of the guard could help your investigation? I merely mention that as a possibility. Where were the Tartars during the fire drill, by the way? I suppose you have considered that?”
“Yes, we have,” said the man wearily. “The guard was fully occupied on patrol, every man. They keep meticulous records.”