Celestial Mechanics, Medieval Artwork
Detlev Van Ravenswaay
Pythogoras Woodcut
Science Photo Library
Ancient Greek Warrior
Bildagentur-online/th Foto/science Photo Library
Hua Tuo #1
Library Of Congress/science Photo Library
Woodcut Illustration Of Cannabis Sativa
National Library Of Medicine/science Photo Library
Heroes Of The Trojan War
Bildagentur-online/th Foto/science Photo Library
1491 Sea Hares From Hortus Sanitatis
Paul D Stewart
1532 Woodcut Of Halley's Comet
Crawford Library/royal Observatory, Edinburgh/ Science Photo Library
Medieval Woodcut Of Plague-spreaders Being Burnt
Sheila Terry/science Photo Library
Woodcut Of A Rabid Dog
Middle Temple Library
Medieval Surgery
National Library Of Medicine
1660 Merian Bird Of Paradise Manucodiata
Paul D Stewart/science Photo Library
Lucius Annaeus Seneca Committing Suicide
Universal History Archive/uig
Hua Tuo
Library Of Congress/science Photo Library
1493 Nuremberg Chronicle Simon The Magus
Paul D Stewart
Building Noah's Ark
Cci Archives
Alchemical Symbol
Universal History Archive/uig
Cavemen Hunting Mammoth
Bildagentur-online/tschanz
Aristarchos Of Samos
Universal History Archive/uig
19th Century Whale Hunt
Bildagentur-online/tschanz
1823 Engraving Of Whale Simeon Shaw.
Paul D Stewart
19th Century Penny-farthing
Bildagentur-online/tschanz
Library Of Alexandria
Bildagentur-online/th Foto/science Photo Library
Amazon Female Warriors
Bildagentur-online/th Foto/science Photo Library
1532 A War Machine In The Form Of A Horse
Paul D Stewart
Amsterdam Fish Market
Bildagentur-online/tschanz
Medical Diagnosis
National Library Of Medicine
Triumph Of Death
Metropolitan Museum Of Art/science Photo Library
Emperor Maximillian
David Parker/science Photo Library
1554 Rondelet Sea Bishop Of Poland
Paul D Stewart
19th Century Velocipede
Bildagentur-online/tschanz
Potter's Workshop
Universal History Archive/uig
Anaximenes
Universal History Archive/uig
Francis Edmund Anstie
Universal History Archive/uig
Falling Of The Ensisheim Meteorite
Detlev Van Ravenswaay
19th Century Washing Machine
Bildagentur-online/tschanz
Urine Analysis
National Library Of Medicine
Anaximander
Universal History Archive/uig
1560 Gesner European Bison Wisent
Paul D Stewart
Baron Von Drais's Bicycle
Universal History Archive/uig
Medieval Mineralogy
National Library Of Medicine
Crane For Lifting Of Copper Lead Alloy
Universal History Archive/uig
Alchemist Being Tortured
Cci Archives
1554 Munster Lycanthrope Werewolf Demon
Paul D Stewart
Ancient Greek Astronomer
Universal History Archive/uig
18th Century Electricity Experiment
Bildagentur-online/tschanz
Spikenard Medicinal Plant
National Library Of Medicine
19th Century Smugglers
Bildagentur-online/tschanz
Woman Hatching A Baby From An Egg
Universal History Archive/uig
Archimedes #3
Universal History Archive/uig
Leprosy Care
National Library Of Medicine
Blood Letting As A Cure
Universal History Archive/uig
Star Map Using Hebrew Characters #4
Middle Temple Library
1491 Cerastes Lure Snake Hortus Sanitatis
Paul D Stewart
1554 Rondelets Leonine Sea Monster
Paul D Stewart
1491 Hortus Sanitatis Monsters
Paul D Stewart
Touch Needles
Universal History Archive/uig
Adam And Eve
Paul D Stewart
A Dandy-horse
Universal History Archive/uig
Mine Shafts And Galleries
Universal History Archive/uig
Bedouin Nomads
Bildagentur-online/tschanz
15th-century Autopsy
Cordelia Molloy/science Photo Library
1560 Gesner Early Fish Illustration Crop
Paul D Stewart/science Photo Library
Artwork Of Medieval Plague-spreaders Being Burnt
Sheila Terry/science Photo Library
Lighthouse Of Alexandria
Bildagentur-online/th Foto/science Photo Library