Micrographia, or Some physiological descriptions of minute bodies made by magnifying glasses, London, Printed by Jo. Martyn and Ja. Allestry, printers to the Royal Society, 1665. microscopy natural history pre-Linnean works 17, The illustration features various geometric diagrams and tools, likely related to optics and perspective. Central to the design is a large rectangular box labeled as a 'Schemi' with accompanying figures that depict rays of light and their interactions with different shapes. There are several circles and ellipses (Figures 5 and 7), illustrating concepts of reflection and refraction. Lines extend from these figures, demonstrating angles and trajectories of light. The labeled components include instruments like a ruler and possibly a light source. The layout suggests an instructional or experimental context, aimed at exploring the principles of light and geometry.