MIDDLE TEMPLE LIBRARY / SCIENCE PHOTO LIBRARY MIDDLE TEMPLE LIBRARY / SCIENCE PHOTO LIBRARY
Eye anatomy. These diagrams are from 'Astronomiae Pars Optica' (1604) by German mathematician, astronomer and astrologer Johannes Kepler (1571-1630). This work is considered the founding text in the science of optics. Kepler wrote about various topics in astronomy and optics, including the inverse-square law for light intensity, reflection, pinhole cameras, parallax, and the apparent sizes of astronomical bodies.
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