Josef Von Fraunhofer with his Spectrometer
Josef Von Fraunhofer demonstrates his spectrometer at Munchen, 1814
Picture No
14086255
Media ID
45847291
Size
5446px x 4013px
(3.2MB)
Credit
Mary Evans Picture Library
Source
R Wimmer in Kraemer, Weltall und Menscheit
Date
1787-1826
