. comptesrendusheb1301900acad. es naturelles. ( 248 ) partie descendante de C,. La mesure photoinétrique n'est donc plus faite qu'avec le front du ilux lumineux projeté par l'étincelle : on lit 8°,7. » Plus tard enfin la courbe C, est entièrement sortie de C, et le phénomène n'est plus visible {fig. 3). Via Fis. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original nce Periodicals; dicals.

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