The machine purred away quietly and the words gleamed for a few seconds on the darkened screen.

The machines are small and purring, not roaring.

"These are the people of Shilot," the machine purred.

"Ask me questions," the machine purred in their minds.

He slept, a deep, hypnotic sleep, as the machine purred on.

Otho slid behind the wheel, the powerful machine purred away.

Webster cleared his mind and the machine purred softly at him.

Doc popped the stick into th tube and the machine purred a little, starting up, then settk into silence.

The machine purred out of the water, rose smoothly up the muddy bank, and entered the forest again.

His method was very different from the coaxing touch of Uhura or the fluidity of Spock, but the machines happily purred in response.