246 Chapter 16
ABFigure 16.1
(a) Richard Wimmer, Frauenhofer Demonstrating the Spectrograph. (b) Frauenhofer ’ s illustration of the dark
lines in the solar spectrum. 246 Chapter 16
ABFigure 16.1
(a) Richard Wimmer, Frauenhofer Demonstrating the Spectrograph. (b) Frauenhofer ’ s illustration of the dark
lines in the solar spectrum.