"Everything all right?" asked Mr. Damon, as Tom rejoined them in the pilot house, which was just forward of the living room in the main cabin.
"Yes, I can't imagine what made Rad act that way. But I'll set the automatic steering gear now, Mr. Damon, and then you will be relieved."
Mr. Jenks was gazing off toward the west—to where he hoped to discover the secret of Phantom Mountain.
"How do you like it?" asked Tom.
"It's great," replied the diamond man. "I've never been in an airship before, and it's different than what I expected; but it's great! It's the only craft that will serve our purpose among the towering mountain peaks, where the diamond makers are hidden. I hope we can find them."
In a little while the Red Cloud was skimming along at faster speed, guided by the automatic rudders, so that no one was needed in the pilot house, since there was no danger of collisions. Airships are not quite numerous enough for that, yet, though they may soon become so.
Tom and the others devoted several hours to arranging their staterooms and bunks, and getting their clothing stowed away, and when
