Title
Illustration of Robert Bunsen
Caption
With the aid of the spectroscope, which they invented in 1859, German chemist Robert Bunsen and physicist Gustav Kirchhoff discover that vaporizing a substance creates a unique 'signature' spectrum, which can be used to identify it. Using the spectroscope, in 1860, Bunsen and Kirchhoff discover two new alkali metalsócesium and rubidium
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP18A29_268
License type
Rights managed
Available size
60,0Mb (1,2Mb) / 12,5in x 18,7in / 3738 x 5610 (300dpi)