Spectropia ; or, Surprising spectral illusions. Showing ghosts everywhere, and of any colour (1865)
Brown, J. H · London, Griffith and Farran · leaf 12
is in realitynothing more than some part of the structures above con-sidered. A lady assures us that she saw the ghost of herhusband as she was going downstairs with a lighted candle inher hand. The spot k, Fig. 4, when seen against a wall a Fig. 5. few feet distant, appears about the size of a…
Ghosts · Optical illusions
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