. . .Number Three's brain was here, its scanners, its tabulating and recording apparatus, its signal system. A red light pulsated on a panel, alone in a string of white ones.

"Trouble's in the hoist-mechanism," said Hyrst. "That's your department." He smiled and sat down on a metal bench in the center of the room, with his back to the stair. "D Level."

MacDonald grumbled, and went to a skeletal cage built over a round segment of the floor. Various tools were clipped to the ribs of the cage. MacDonald pulled an extra rayproof protectall over his vac-suit and stepped inside the cage, pressing a button. The cage dropped, into a circular shaft that paralleled the hoist right down to the feeder mechanism.

Hyrst waited. Inside his helmet he could hear MacDonald breathing and grumbling as he worked away, repairing a break in the belt. He did not hear anything else. Then something happened, so swiftly that he had never had any memory of it, and some time la. . . Read More