Abstract
A SATISFACTORY explanation of the decrease of liquid viscosity with temperature has long been required, and Prof. Andrade's theoretical treatment of the subject will be awaited with interest. His simple formula connecting viscosity and temperature appears to give good agreement for certain liquids, but I should like to point out that it does not give such good agreement when applied to measurements on some mineral oils, as does a formula due to Slotte. The measurements were taken several years ago and in attempting to find an empirical relationship between the viscosity and the temperature, I obtained, quite independently, a formula which was identical
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BLACK, D. The Viscosity of Liquids. Nature 125, 581 (1930). https://doi.org/10.1038/125581a0
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DOI: https://doi.org/10.1038/125581a0