Frank laughed heartily.
“You must come aboard,” he said, “and then I think your doubts will forever be set at rest upon that point. Are you quite ready?”
“Oh, yes,” replied Stanhope.
“Then follow me.”
CHAPTER II.
STANHOPE IS SATISFIED.
Frank Reade, Jr., led the way aboard the Dolphin without further delay. A portable platform extended along the side, which was provided with a handrail.
Frank explained this.
“You see this is provided with joints and hinges,” he said. “When the boat gets into motion this is easily folded up against the side of the boat, making the hull smooth, so that it offers no resistance to swift passage through the water.”
In the hull was cut a door, which opened by pressure upon an electric spring.
Its existence might never have been suspected at a cursory glance. The section of windows along each side were the same.