"Positive."

"You don't know much about it yourself, you know, having never been up in it."

"That scoundrel, Brady, has used the Hawk with fair success, and the Hawk is modeled on the same lines as the Eagle, only the Eagle has improvements which Brady was not able to get hold of and put on his own machine. Shall we go to the rescue of Motor Matt? Come, my friends, time is flying."

"Und ve ought to be flying, too," said Carl, now eager to make the ascension.

"I'll take a chance," observed Harris.

"Good!" applauded Jerrold.

The next moment he had vanished in the darkness and could be heard pulling at some ropes. In less than a minute the entire top of the tent fell away, revealing the stars.

"Get into the car," said Jerrold, "there, just forward of the driver's seat."

With the aid of his lantern Harris picked out the place where he and Carl were to stow themselves, and they climbed into the car as directed.

Immediately after that, Jerrold got over the rail and took his seat at the levers. It was impossible to see just what he was doing, but the clank of a lever came from his vicinity and slowly the front of the gas-bag began to point upward.