The detective saw him, and pursued him at once, thinking he was chasing the old scientist.
Our friends then set to work upon the air ship, and completed the work to be done upon her.
Dr. Vaneyke’s trunk was carried aboard.
Nothing was seen of the detective all day.
By the hour of eleven that night the ice ship was almost ready.
The four friends were aboard, working by electric light with all the speed they could muster, and had taken leave of every one.
Scarcely had everything been put in readiness when there came a tremendous pounding at the door again.
Frank rushed out on deck.
Addressing a gang of his men, he cried:
“Open the sliding doors in the roof, boys.”