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