As it passed our lamps went out.

Lastly, quite a minute later I should think, there was a thud, as though something of enormous weight had fallen on the surface of the earth far above us.
Then all was as it had been; all was darkness and utter quietude.
"Well, that's over," said Oliver, in a strained voice which sounded very small and far away through that thick darkness; "all over for good or ill.

I needn't have been anxious; the first battery was strong enough, for I felt the mine spring as I touched the second.

I wonder," he went on, as though speaking to himself, "what amount of damage nearly a ton and a half of that awful azo-imide compound has done to the old sphinx.
According to my calculations it ought to have been enough to break the thing up, if we could have spread the charge more.

But, as it is, I am by no means certain.