Hi-res online download not available. Delivery in 24 hours.
Title: Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895. Artist: Unknown
Caption: Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895. Bunsen (1811-1899) and Kirchhoff's (1824-1887) development of spectral analysis (1859) enabled the discovery of elements including caesium and rubidium.
Credit: Album / Oxford Science Archive / Heritage Images
Image size: 4821 × 3621 px | 49.9 MB
Print size: 40.8 × 30.7 cm | 1898.0 × 1425.6 in (300 dpi)