Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 627
body has been heated the Hght emitted isbrighter, but the greater the emission of Hght the shorter is the duration ofthe phosphorescence. Heat, therefore, produces a more rapid irradiationof the hght. PhospJioroscope. In experimenting with bodies whose phosphorescencelasts a few minutes or even a… … close the eyes previously for a few moments. But in the case of bodies whosephosphorescence lasts only a very short time, this method is inadequate.Becquerel invented an ingenious apparatus, the phosphoroscope, by whichbodies can be viewed immediately after being exposed to light : the…
Physics
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
