Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2Tyndall, John
Science
Fragments of Science: A Series of Detached Essays, Addresses, and Reviews. V. 1-2
Tyndall, John
Chemistry; Physics; Science
Beside me was Elliot with the watch and lantern, while Lieutenant
Archer, of the Royal Engineers, had the kindness to take charge of my
note-book. I mentioned, and he wrote rapidly down, such things as
seemed worthy of remembrance. Thus my hands and mind were entirely
free; but it was all to no purpose. A patch of sunlight fell and
rested upon the landscape some miles away. It was the only
illuminated spot within view. But to the north-west there was still a
space of blue which might reach us in time. Within seven minutes of
totality another space towards the zenith became very dark. The
atmosphere was, as it were, on the brink of a precipice, being charged
with humidity, which required but a slight chill to bring it down in
clouds. This was furnished by the withdrawal of the solar beams: the
clouds did come down, covering up the space of blue on which our hopes
had so long rested. I abandoned the telescope and walked to and fro
in despair. As the moment of totality approached, the descent towards
darkness was as obvious as a falling stone. I looked towards a
distant ridge, where the darkness would first appear. At the moment a
fan of beams, issuing from the hidden sun, was spread out over the
southern heavens. These beams are bars of alternate light and shade,
produced in illuminated haze by the shadows of floating cloudlets of
varying density. The beams are practically parallel, but by an effect
of perspective they appear divergent, having the sun, in fact, for
their point of convergence. The darkness took possession of the ridge
referred to, lowered upon M. Janssen's observatory, passed over the
southern heavens, blotting out the beams as if a sponge had been drawn
across them. It then took successive possession of three spaces of
blue sky in the south-eastern atmosphere. I again looked towards the
ridge. A glimmer as of day-dawn was behind it, and immediately
afterwards the fan of beams, which had been for more than two minutes
absent, revived. The eclipse of 1870 had ended, and, as far as the
corona and flames were concerned, we had been defeated.
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