Abstract
IF Dr. P. E. Shaw's contention (NATURE, March 29) for a perpetual motion consequence of gravitational heat were justified, it would be an argument against the supposed effect on which such a conclusion could be based; but it does not seem to me that the contention is justified. For the line joining maximum to minimum temperature is vertical, and, unless the rate of heating differs from the rate of cooling, every horizontal chord will be an isothermal; so there is nothing to keen a vertical disc rotating.
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LODGE, O. Gravitation and Thermodynamics. Nature 99, 104 (1917). https://doi.org/10.1038/099104b0
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DOI: https://doi.org/10.1038/099104b0
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