Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 134
of this property of water in the economy ofnature. Eumford was so impressed with it that he devoteda whole chapter to speculations regarding it. It does notappear to me, he writes, that there is anything whichhuman sagacity can fathom, within the wide-extendedbounds of the visible creation, which… … wonderful contrivance. Rumfords enthusiasm was excitedby considerations like the following: Suppose a lake exposedto a clear wintry sky. The superficial water is first chilled ;it contracts, becomes heavier, and sinks by its superiorweight, its place being taken by the lighter water frombelow. In…
Heat
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