. comptesrendusheb75acad. es naturelles. Cobalt. 44 45 46 47 48 49 I irr! SO 51 52 53 54 57 58 59 60 61 82 a, Hauteurs des lignes. I, Lignes données par Thalén. 3, Lignes renversées dans le Soleil. , 1872, 2" Semestre. {T. LXW, Ne27.) 3, Lignes brillantes des chlorures d'aluminium, de magnésium et de zinc. 234. 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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Keywords: ., book, bookcentury1800, bookdecade1870, bookpublisher, bookyear1872