Half an hour passed. At the expiration of that time, the cabin was illuminated by a flood of light so vivid and blinding that it was difficult to bear the intensity.
Mont recognized the electric light that had floated round the ship when he first saw it.
When he got used to its clear whiteness, he looked up and saw that it proceeded from a globe which hung from the ceiling.
"Light at last; our captors are becoming more civil," said the doctor, rubbing his hands gayly.
"It's about time, I think," answered our hero.
They were not much better off, however, for the cabin only contained a table and five wooden stools, but the light was refreshing and made them more cheerful.
Not a sound reached their ears; everywhere reigned the silence of the grave.
Perhaps the ship had sunk to the bottom of the ocean, for it seemed to have the power of going where its strange owner wished.
In a short time the door opened and two men appeared.