Joseph von Fraunhofers 17871826 diagram of the lines of the solar spectrum, and above it a curve showing the intensity of sunlight in different parts of the spectrum. From Denkschriften der Munchener Akademie, 1814. Engraving Editorial Stock Photo - Afloimages
Joseph von Fraunhofer's (1787-1826) diagram of the lines of the solar spectrum, and above it a curve showing the intensity of sunlight in different parts of the spectrum. From 'Denkschriften der Munchener Akademie', 1814. Engraving