The bare walls revealed no trace of window or door.

Conseil, going round the reverse way, met me, and we went back to the middle of the cabin, which measured about twenty feet by ten.

As to its height, Ned Land, in spite of his own great height, could not measure it.
Half an hour had already passed without our situation being bettered, when the dense darkness suddenly gave way to extreme light.

Our prison was suddenly lighted, that is to say, it became filled with a luminous matter, so strong that I could not bear it at first.

In its whiteness and intensity I recognised that electric light which played round the submarine boat like a magnificent phenomenon of phosphorescence.