The vandal gave one glance at the sleeping lads, and stole from the cabin of the craft. He looked at his work of ruin, and then tiptoed past the slumbering watchman. A moment later and he was outside the shed, hurrying away through the night.
Several hours after this Mr. Damon and the old miner were pounding on the door of the shed. Mr. Parker, the scientist, had remained at the hotel, for he said he wanted to work out a few calculations regarding some of his theories.
"I thought we'd find them up by this time," spoke the eccentric man, as he again knocked on the door. "Tom said he had lots to do to-day."
"Maybe they are working inside, and can't hear our knocks," suggested Abe. "Try th' door."
"Bless my heart! I never thought of that," exclaimed Mr. Damon. "I believe I will."
The door swung open as he pushed it, for it had not been locked when the intruder left. The first thing Mr. Damon saw was the watchman, still asleep in his chair.
"Bless my soul!" the old man shouted. "Look at this, Abe!"
"Something's wrong!" cried the miner, sniffing
