"And are you sure now?" asked Captain Mentor.
"Fairly so."
"How could you build a wireless station?" inquired Mr. Hosbrook.
"From the electrical machinery that was in the wrecked Whizzer," spoke Tom. "Fortunately, that was not damaged by the shock of the fall, and I have managed to set up the gasolene engine, and attach the dynamo to it so that we can generate a powerful current. We also have a fairly good storage battery, though that was slightly damaged by the fall.
"I have just tested the machinery, and I think we can send out a strong enough message to carry at least a thousand miles."
"Then that will reach some station, or some passing ship," murmured Captain Mentor. "There is a chance that we may be saved."
"If it isn't too late," gloomily murmured the scientist. "There is no telling when the island will disappear beneath the sea."
But they were all so interested in Tom's announcement that they paid little attention to this dire foreboding.
"Tell us about it," suggested Mr. Nestor. And Tom did.
He related how he had set up the dynamo and
