Der Kreislauf des Stoffs

Excerpt from Der Kreislauf des Stoffs, Vol. 2: Lehrbuch der Agricultur-Chemie; Noten

Was das Licht anbetrifl't, so hatte Newton davon noch jene An sicht, die er zu dem Systeme der sogenannten Emissions oder Emana tions-theorie ausbildete. Huyghens setzte 1690 an deren Stelle die Undulations oder wellen-theorie, welche sp ter durch Y 0 ung, Freen el 11. A. Weiter entwickelt und dem Calcul zug nglich gemacht wurde.

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