Abstract
LONDON Royal Society, April 29.—“Measurement of the Actinism of the Sun's Rays and of Daylight.” By Dr. R. Angus Smith, F.R.S.
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Societies and Academies . Nature 22, 70–72 (1880). https://doi.org/10.1038/022070c0
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DOI: https://doi.org/10.1038/022070c0