It became really necessary to communicate with the beings, whatever they were, shut up inside the machine.

I searched all over the outside for an aperture, a panel, or a manhole, to use a technical expression; but the lines of the iron rivets, solidly driven into the joints of the iron plates, were clear and uniform.

Besides, the moon disappeared then, and left us in total darkness.
At last this long night passed.

My indistinct remembrance prevents my describing all the impressions it made.

I can only recall one circumstance.