NYPL / SCIENCE PHOTO LIBRARY NYPL / SCIENCE PHOTO LIBRARY
An illustration of an armillary sphere (also known as spherical astrolabe, armilla, or armil), which is a model of the celestial sphere. This woodcut is by Oronce Fine, mathematician and author of the Solaribus Horologiis, and was printed in Johannus de Sacrobosco's Textus de Sphaera in 1538. Color enhancement of BM8716.
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