“Good! Then I can proceed without fear,” he said. “Enough for to-night—we will go.”

Her eyes were fixed on the revolving Wheel.

“It goes slowly because the sunshine has gone, I suppose?” she asked. “And all the light it produces now is from the interior stores it has gathered up in the day?”

He was surprised at the quickness of her perception.

“Yes—that is so,” he said.

“Then it never stops absolutely dead?”

“Never.”

She smiled.

“Wonderful Dimitrius! You have built up a little mechanical universe of your own and you are the god of it! You must be very pleased with yourself!”

“I am equally pleased with you,” he said. “You surpass all my expectations.”