Entrance was by the foot, where the great iron-clad door was; then came living-rooms and storage, and an open space at the top.

This would probably be thought the best place for the prisoner, for it was deep-sunk within the massive walls, wherein was no loophole of any kind.

This, if it should so happen, would be the disposition of things best for our plan.

The guards would at this time be all inside the Tower--probably resting, most of them--so that it was possible that no one might notice the coming of the airship.

I was afraid to think that all might turn out so well, for in such case our task would be a simple enough one, and would in all human probability be crowned with success.
At ten o'clock we started.