man, who is nothing if not brave, at once started for the roof, and we girls all followed her. However, are you going to get the ship down?"
"I'm afraid it is going to be quite a job," admitted Tom ruefully. "Something went wrong with the machinery, or this never would have happened. As soon as Mr. Sharp has settled with your principal we'll see what we can do."
"I guess he's settled now," observed Miss Nestor. "Here he comes."
The aeronaut and Miss Perkman were approaching together, and the old maid did not seem half so angry as she had been.
"You see," Mr. Sharp was saying, "it will be a good advertisement for your school. Think of having the distinction of having harbored the powerful airship, Red Cloud, on your roof."
"I never thought of it in that light," admitted the principal. "Perhaps you are right. I shall put it in my next catalog."
"And, as for damages to the tower, we will pay you fifty dollars," continued the balloonist. "Do you agree to that, Mr. Swift?" he asked Tom. "I think your father, the professor, would call that fair."
"Oh, as long as this airship is partly the property of a professor, perhaps I should only take thirty-five dollars," put in Miss Perkman. "I
