“Yes. We’ve learned a great deal from Mr. Henderson, and in the course of time we ought to be able to turn out something even more wonderful than the Electric Monarch, the Porpoise, or the Flying Mermaid.”

“Yes, and when we’ve invented something better——”

“We’ll take another trip.”

“Right you are!”

And then the two chums shook hands warmly; and here we will say good-bye.

THE END.

NEW ALGER BOOKS

JOE, THE HOTEL BOY
Or, Winning Out by Pluck
By HORATIO ALGER, Jr.
Illustrated, 12mo. Cloth, 60 cents