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Caption: Newton's experiment shows how beam of white light is refracted by prism & broken into colours of spectrum (right). Dotted line shows beam of light entering through window and path it would take if not refracted. Woodcut from Voltaire 'Melanges de Philosophie: Elemens due Philosophie de Newton, etc.' Paris 1757.
Credit: Album / World History Archive
Image size: 6000 × 3504 px | 60.2 MB
Print size: 50.8 × 29.7 cm | 2362.2 × 1379.5 in (300 dpi)