ir was greater than what was calculated as above the
level of the ocean.
"But," said I, "is it not very much to be feared that this
ever-increasing pressure may not in the end turn out very painful and
inconvenient?"
"No," said he. "We shall descend very slowly, and our lungs will be
gradually accustomed to breathe compressed air. It is well known that
aeronauts have gone so high as to be nearly without air at all--why,
then, should we not accustom ourselves to breathe when we have, say, a
little too much of it? For myself, I am certain I shall prefer it. Let
us not lose a moment. Where is the packet which preceded us in our
descent?"
I smilingly pointed it out to my uncle. Hans had not seen it, and
believed it caught somewhere above us: "Huppe" as he phrased it.
"Now," said my uncle, "let us breakfast, and break fast like people who
have a long day's work before them."
Biscuit and dried meat, washed down by some mouthfuls of water flavored
with Schiedam, was the material of our luxurious meal.
As soon as it was finished, my uncle took from his pocket a notebook
destined to be filled by memoranda of our travels. He had already placed
his instruments in order, and this is what he wrote:
Monday, June 29th
Chronometer, 8h. 17m. morning.
Barometer, 29.6 inches.
Thermometer, 6 degrees [43 degrees Fahr.]
Direction, E.S.E.
This last observation referred to the obscure gallery, and was indicated
to us by the compass.
"Now, Harry," cried the Professor, in an enthusiastic tone of voice, "we
are truly about to take our first step into the Interior of the Earth;
never before visited by man since the first creation of the world. You
may consider, therefore, that at this precise moment our travels really
commence."
As my uncle made this remark, he took in one hand the Ruhmkorff coil
apparatus, which hung round his neck, and with the other he put the
electric current into communication with the worm of the lantern. And a
bright light at once illumined that dark and gloomy tunnel!
The effect was magical!
Hans, who carried the second apparatus, had it also put into operation.
This ingenious application of electricity to practical purposes enabled
us to move along by the light of an artificial day, amid even the flow
of the most inflammable and combustible gases.
"Forward!" cried my uncle. Each took up his burden. Hans went first, my
uncle followed, and I going third,
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