Optics of corrective lenses. 18th-century diagrams on optics,showing the path of light through corrective lenses. The path of light through such lenses and into the human eye is shown in cross-section at bottom. The earliest eyeglasses date to the 13th century. These diagrams were published in 'A Compleat System of Opticks' (1738) by English mathematician Robert Smith (1689-1768) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Royal Institution of Great Britain |
Taille de l’image : | 3743 px × 4722 px |
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