Faraday, Michael, 1791-1867; Physicists -- Great Britain -- Biography
While on the road to Naples, Faraday heard of the escape of Napoleon
from Elba on March 7th, and records it thus briefly in his journal:
"Tuesday, March 7th.--I heard for news that Bonaparte was again at
liberty. Being no politician, I did not trouble myself about it, though
I suppose it will have a strong influence on the affairs of Europe." It
is strange how quietly Davy and his "assistant" passed through Europe
at a time when war was convulsing nearly the whole of it; quietly and
apparently unconcernedly they went their way, seeing who and what was
to be seen at the various stopping-places, prosecuting their researches
in different branches of chemistry, and adding in many ways to their
stores of knowledge, seemingly unaffected by
"The time that tried men's souls."
At Naples Faraday again ascended Vesuvius, and on this occasion had the
grand experience of seeing it in active eruption. He writes a full and
graphic account in the journal, from which one passage, descriptive of
the eruption itself, may well be quoted. This time Faraday had ascended
with a guide only, Sir Humphry having stayed part way up the mountain
to see Monte Somma. "I saw a large shower of red-hot stones in the
air," writes Faraday, "and felt the strong workings of the mountain;
but my care was now to get to the crater, and that was soon done. Here
the scene surpassed everything. Before me was the crater, like a deep
gulf, appearing bottomless from the smoke that rose from below. On the
right hand this smoke ascended in enormous wreaths, rolling above us
into all forms; on the left hand the crater was clear, except where
the fire burst out from the side with violence, its product rising and
increasing the volume of volatile matter already raised in the air.
The ground was in continual motion, and the explosions were continual,
but at times more powerful shocks and noises occurred; then might be
seen rising high in the air numbers of red-hot stones and pieces of
lava, which at times came so near as to threaten us with a blow. The
appearance of the lava was at once sufficient to satisfy one of its
pasty form. It rose in the air in lumps of various size, from 1/2
lb. to 25 lb. or more. The form was irregular, but generally long,
like splashes of thick mud; a piece would often split into two or
more pieces in the air. They were red-hot, and, when they fell down,
continued glowing for five, ten, or fifteen minutes.... I was there
during one explosion of very great force, when the ground shook as with
a strong earthquake, and the shower of lava and of stones ascended
to a very great height, and at this moment the smoke increased much
in quantity. The guide now said this place was not safe, from its
exposed situation to the melted lava and to the smoke, and because it
oftentimes happens that a portion of the edge of the crater is shaken
down into the gulf below. We therefore retreated a little, and then sat
down, listened, and looked."
Public-domain text, read in full here on John Shaqi.
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