Chapter 26 THE BOYS WIN OUT.

"Now," said Frank briskly the next morning, "as that scoundrel Constantio tried to steal a march on us we shall have to try to discover his powder and make the gas by ourselves."

"What," exclaimed Harry, "do you mean to say that you think it would be possible to do it?"

"If he can, I don't see why we can't," rejoined the other. "The first thi