Abstract
MR. MURPHY'S experience, described in NATURE, vol. xxiv. p. 80, is general enough. It was observed by Fechner in 1860, and is now commonly associated with his name, though Prof. Brücke of Vienna had also seen and explained the very same phenomenon some years before that. Nor was he the first, for, according to Aubert, there is a still earlier account due to Brewster in Poggendorff's Annalen for 1833.
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WARD, J. Optical Phenomenon. Nature 24, 101 (1881). https://doi.org/10.1038/024101c0
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DOI: https://doi.org/10.1038/024101c0
