Abstract
IN corroboration of Prof. Herbert McLeod's observation (p. 297) as to the bright red appearance of printing when the eyes were exposed to the glare of a white chalk road, will you allow me to record an effect I have several times seen when walking over snow while facing bright sunlight? On such occasions every dark object on the snow, and even the shadows in small deep depressions in the snow, have all appeared to me of a vivid blood-red colour.
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HUBBARD, E. Subjective Images. Nature 69, 318 (1904). https://doi.org/10.1038/069318c0
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DOI: https://doi.org/10.1038/069318c0
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