"And I hope it will be the last," replied the young
inventor with a faint smile. "But I'd like to know what Andy
Foger is doing in this neighborhood."

Tom was soon himself again and able to go to the house,
where he found Mrs. Baggert brewing a big basin of catnip
tea, under the impression that it would in some way be good
for his. She could not forgive herself for not having
answered his signal, and as for Mr. Jackson, he had started
for a doctor as soon as he learned that Tom was shut up in
the tank. The services of the medical man were canceled by
telephone, as there was no need for him, and the engineer
came back to the house.

Tom was fully himself the next day, and aided his father
and Mr. Sharp in putting the finishing touches to the
Advance. It was found that some alteration was required in
the auxiliary propellers, and this, much to the regret of
the young inventor, would necessitate postponing the trial a
few days.

"But we'll have her in the water next Friday." promised
Mr. Swift.

"Aren't you superstitious about Friday?" asked the
balloonist.

"Not a bit of it," replied the aged inventor. "Tom," he
added, "I wish you would go in the house and get me the roll