And now the buoyant body of the whale began to rise. Being greater in lightness than the Dolphin, it took it along with it.
Up toward the surface went the boat and fish.
Frank knew that the surface of the ocean was frozen solid. They would not come to open air, but in contact with the ice above.
And this was just what happened.
There was a sudden jar, and the boat and whale rested against the surface of ice.
Under ordinary circumstances this might have done no damage.
But the current now began to drag the boat and whale along the surface of the ice forcibly.
It was powerful at this spot, and Frank saw that something must be done, or much damage would be done the Dolphin.
The young inventor was for a moment at a loss just what to do.
Then an idea occurred to him.