Symmes's Theory of Concentric Spheres: Demonstrating that the Earth is hollow, habitable within, and widely open about the polesMcBride, James
Science
Symmes's Theory of Concentric Spheres: Demonstrating that the Earth is hollow, habitable within, and widely open about the poles
McBride, James
Earth (Planet) -- Miscellanea; Symmes, John Cleves, 1780-1829
on arriving at a certain point, to have proceeded west of north, then
west, and finally south-west, which would probably have conducted
him to that country, which the Indian represented as being far to
the west, or south-west, and so warm that there was never any frost.
In this direction, an exploring party ought most probably to travel,
first north until they come to the verge; where (if they are on the
continent of America) the meridians begin to wind to the right, then
gradually, as they advanced, incline to the west, then true west, then
south of west, and finally, when entirely beyond the apparent verge,
to the south-west, if not due south. In crossing the verge, the cold
would no doubt be considerable: but cold in those regions, as measured
by the thermometer, appears to us much greater than the feelings of
those exposed to that temperature indicate. Hence it was, no doubt,
that Parry's crew could hunt in winter, when the medium was below zero.
And the Russians set out on their expedition over the ice in 1821, when
the cold was thirty-two degrees Reaumur; and this too accounts for
Hearne's sleeping in the snow, without fire, by only digging a hole,
and lying therein, with his sledge turned up to windward. It does not
appear that he complained of excessive cold; though he travelled nearly
all winter. He had also several Indian women in company. The regions
through which he passed, as well as that in which Ross and Parry
were, are alleged to be the coldest of the earth; and that those men
experienced as great a degree of cold as would be in passing the verge
into the concave regions.
Public-domain text, read in full here on John Shaqi.
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