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Title: Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895. Artist: Unknown
Caption: Spectroscopic apparatus used by Robert Wilhelm Bunsen (1811-1899) and Gustav Robert Kirchhoff (1824-1887). Discovered Spectrum Analysis (1859) which enabled discovery of elements including caesium and rubidium.
Credit: Album / Oxford Science Archive / Heritage Images
Image size: 4037 × 4325 px | 50.0 MB
Print size: 34.2 × 36.6 cm | 1589.4 × 1702.8 in (300 dpi)