Abstract
SUNLIGHT comes in through an east window and falls upon the whitened wall of a room; a blind is drawn so as to stop the sunlight except for two vertical strips about two inches wide. The two strips of light seen on the wall are not of even illumination, but consist of a series of distorted images of the sun overlapping each other throughout the whole length of the strips. A ‘control’ to the observation is made by pulling the window down at the top; the overlapping images are not seen now; this is shown in part A of the photograph, which is separated by the horizontal framework of the window from the part B, in which are the ‘through the window’ images.
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RUSS, S. Sun Images Through Window Glass. Nature 121, 58 (1928). https://doi.org/10.1038/121058a0
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DOI: https://doi.org/10.1038/121058a0
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