Durer's Rhinoceros, 1515 Standard electrical circuit symbols Spine anatomy Sherlock Holmes and Dr. Watson Rorschach Inkblot Test Foot anatomy by Leonardo da Vinci Butterflies, artwork Development of the English alphabet Flame emission spectra of alkali metals Rhazes, Islamic scholar Spine anatomy Early electrical equipment Newton's optics Table comparing ancient scripts Newspaper printing press Olive trees, Puglia, Italy, Europe Hummingbirds, historical artwork Body musculature Computer hard disk assembly Egyptian creation myth Body musculature Early electric lamps 19th century chart of ocean currents 16th century map of Venice Phrenology chart Francesco Sforza, military leader Egyptian and Assyrian counting systems Native American census roll, artwork Iron pyrites Bees Nicolaus Copernicus, Polish astronomer Anglo-Saxon 10th century world map Young hare, by Durer Muscles of the side and back Golden eagle, historical artwork Facial nerves Shelduck, historical artwork Redshank, historical artwork Foot bones Features of fingerprints Sandpiper, historical artwork Four Horsemen of the Apocalypse Apollonius of Perga, Greek mathematician Torso bones Homeric cosmogony Johannes Kepler and Tycho Brahe Brain anatomy, 16th century diagram Early petrol locomotives Page 2 Page 3