Abstract
THE thermal conductivity of powdered plaster of Paris was reported in 1896 by Lees and Chorlton1. Their value of 0.00261 gm. cal./sec./deg C./cm. has since been incorporated into the literature of heat transfer, primarily through the medium of the “International Critical Tables”. So recently as 1950, text-books have continued to report this value. Unfortunately, the decimal point in the original paper and subsequent copies has been misplaced. Lees and Chorlton should have reported a value of 0.000261 gm. cal./sec./deg. C./cm.
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References
Lees, C. H., and Chorlton, J. D., Phil. Mag., 41, 495 (1896).
Ingersoll, L. R., Zobel, O. J., and Ingersoll, A. C., “Heat Conduction” (Univ. Wisconsin Press, 1954).
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BROWN, W. Thermal Properties of Plaster of Paris in the Powdered Form. Nature 179, 1187 (1957). https://doi.org/10.1038/1791187a0
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DOI: https://doi.org/10.1038/1791187a0
