“What are you going to do now?”

“Drive her out over the Atlantic.”

“In the teeth of this gale?”

“Certainly.”

There were several levers in front of the steering wheel beside the compass binnacle, and Frank pulled one of them.

Like the rest this lever was connected with the machinery, and it made an electrical circuit with the driving screw motor, causing them to rotate.

The screws acted upon the air as a metal propeller does in the water, and the engine glided ahead.

Frank glanced at several dials on the wall.

They registered, measured and gauged the different parts of the airship, while various other instruments kept the temperature, gave the altitude, velocity of the wind and so on.

“This is marvelous!” the detective cried, enthusiastically.