“Where will you go with a submarine boat?”

“To the North Pole.”

“Under water?”

“Exactly. As yet nobody has succeeded in reaching that coveted point. Now, I propose to attempt it in a novel manner. If I cannot get there over the ice, I shall go there under it.”

His listener was astounded.

“Whew!” he exclaimed, with a deep whistle, “that beats me!”

“If you will step this way I will be glad to show you the new boat!”

“Of course I will.”

The neighbor, whose name was Alexander Harmon, followed Frank through the big gate.

Across the broad yard they went to the high arched door of a long brick building or store house.