PAUL D STEWART / SCIENCE PHOTO LIBRARY PAUL D STEWART / SCIENCE PHOTO LIBRARY
Vegetius, Roman military author and scientist, also known as Vegetalius. His book was one of the most widely read encyclopaedias of miliary tactics and weaponry of the Middle Ages. Woodcut from 'De Re Militari Libri Quator' by Vegetalius, printed in 1532 by Christian Wechel from sources reaching back to the Roman original of 390 AD.
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