Some observations on the heat of wells and springs in the Island of Jamaica, and on the temperature of the earth below the surface in different climates / [John Hunter].

  • Hunter, John, -1809.
Date:
[1788]
Catalogue details

Licence: Public Domain Mark

Credit: Some observations on the heat of wells and springs in the Island of Jamaica, and on the temperature of the earth below the surface in different climates / [John Hunter]. Source: Wellcome Collection.

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    We may, I think, from all the obfervations we are yet in pofleffion of, conclude, that there is at prefent no fource of heat in the earth, capable of affecting the temperature of a country, which is not derived from the fun; and that the earth, whatever changes of temperature it may be conjectured to have undergone in former periods, is now reduced to a mean of the heat produced by the fun in different feafons, and in dif¬ ferent climates.. * * < r\ c