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"Gif akt--"
"Attention--look out," repeated my uncle.
In about half an hour we reached a kind of small terrace formed by a
fragment of rock projecting some distance from the sides of the shaft.
Hans now began to haul upon the cord on one side only, the other going
as quietly upward as the other came down. It fell at last, bringing with
it a shower of small stones, lava and dust, a disagreeable kind of rain
or hail.
While we were seated on this extraordinary bench I ventured once more to
look downwards. With a sigh I discovered that the bottom was still
wholly invisible. Were we, then, going direct to the interior of the
earth?
The performance with the cord recommenced, and a quarter of an hour
later we had reached to the depth of another two hundred feet.
I have very strong doubts if the most determined geologist would, during
that descent, have studied the nature of the different layers of earth
around him. I did not trouble my head much about the matter; whether we
were among the combustible carbon, Silurians, or primitive soil, I
neither knew nor cared to know.
Not so the inveterate Professor. He must have taken notes all the way
down, for, at one of our halts, he began a brief lecture.
"The farther we advance," said he, "the greater is my confidence in the
result. The disposition of these volcanic strata absolutely confirms the
theories of Sir Humphry Davy. We are still within the region of the
primordial soil, the soil in which took place the chemical operation of
metals becoming inflamed by coming in contact with the air and water. I
at once regret the old and now forever exploded theory of a central
fire. At all events, we shall soon know the truth."
Such was the everlasting conclusion to which he came. I, however, was
very far from being in humor to discuss the matter. I had something else
to think of. My silence was taken for consent; and still we continued to
go down.
At the expiration of three hours, we were, to all appearance, as far off
as ever from the bottom of the well. When I looked upwards, however, I
could see that the upper orifice was every minute decreasing in size.
The sides of the shaft were getting closer and closer together, we were
approaching the regions of eternal night!
And still we continued to descend!
At length, I noticed that when pieces of stone were detached from the
sides of this stupendous precipice, they were swallowed up with less
noise than before. The final sound was sooner heard. We were approaching
the bottom of the abyss!
As I had been very careful to keep account of an the changes of cord
which took place, I was able to tell exactly what was the depth we had
reached, as well as the time it had taken.
We had shifted the rope twenty-eight times, each operation taking a
quarter of an hour, which in all made seven hours. To this had to be
added twenty-eight pauses; in all ten hours and a half.
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