Spectropia ; or, Surprising spectral illusions. Showing ghosts everywhere, and of any colour (1865)
Brown, J. H · London, Griffith and Farran · leaf 16
vary greatly in differentindividuals, and can be pirocured from almost any object. A person may, after looking steadily, andas often happens, unconsciously, for a short time at printed or painted figures, on paper, porcelain, &c,see, on turning the head in some other direction, a life-sized or… … n Designed byJ.BBroun undfHJiasluaii>ecTBai1M->lii(iT,inUi.iFarraJuSf Pauls CkaTckYurdJ.onilQn.
Ghosts · Optical illusions
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