Poynting, J. H. (John Henry), 1852-1914. The mean density of the earth : an essay to which the Adams prize was adjudged in 1893 in the University of Cambridge / by J.H. Poynting.

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Poynting, J. H. (John Henry), 1852-1914.

The mean density of the earth : an essay to which the Adams prize was adjudged in 1893 in the University of Cambridge / by J.H. Poynting.

Earth (Planet) -- Density.