Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 209
na of phosphorescence ; but to obtainvery luminous intensity a higher temperature is needed* These substances must be finely powdered and thoroughly mixed. 42 CHEMISTRY. than with the other substances mentioned, and we have thesame result when we reduce native sulphate of baryta withcharcoal; that… … Phosphorescent flower emitting hght in a daric rooui. The preparation of such substances as we have justenumerated afford an easy explanation of the method ofmanufacturing the luminous flowers which we describdd LUMINOUS fLOWEllS. 43 at the commencement of this chapter. We obtain someartificial…
Scientific recreations
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