“Don’t ever let it trouble you any more,” he replied. “I had almost forgotten it really. When one flies very high in the air, one forgets lots of things that happen on the earth beneath.”

He turned again to his machine.

“It’s a beastly break,” he exclaimed, exasperated.

All this time, Nancy’s mind was very busy, trying to recall something. “If only you could remember, you could help him,” an inner voice kept saying to her.

“I know,” she cried suddenly. “I have it,” and she rushed from the circle of sympathizing ladies and began rummaging in an interior compartment of the Comet.

“What is the child doing?” exclaimed Miss Campbell, the only one to notice her remarkable behavior.

And then the strangest thing happened.

“Mr. Van Vechten, will this help you any?” she asked, returning with that small piece of machinery she had kept as a souvenir all those weeks ago, which seemed a century past.

The young man very nearly embraced Nancy in his joy, and, Nancy would not have minded it very much, perhaps, at that agitating moment.

“Oh, wonder of wonders,” he cried. “It’s the very piece I was breaking my heart for a moment ago, and here it is like a gift from heaven.”