Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 468
ansfer to it a supernatural existence. In like manner ahuman figure shadowed forth in a feeble twilight mayundergo similar changes, and after being distinctly seenwhile it is in a situation favourable for receiving andreflecting light, it may suddenly disappear in a positionbefore and within the… … The Solar Spectrum, which it cannot fail to receive. This will account formany so-called ghosts. Accidental colours, or ocular spectra, are, so to speak,illusions, and differently-coloured objects will, when ourgaze is turned from them, give us different ■ spectra orimages. For instance, a violet…
Scientific recreations
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