The mathematics of stargazing, from René Descartes' 'Discourse on Meteorology', 1637
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Constellation Libra,15th c edition of Abd ar-Rahman as-Sufi, The Book of Fixed Stars, originally compiled in 964 CE
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A personification of the Four Winds from a medieval illuminated manuscript
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Replying to
Unidentified Photographer - “Eclipse”, 1929
Replying to
Ptolemy's Handy Tables, 9th C. Map of the Constellations showing the northern part of the zodiac
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Planets in a fluid medium, w/0 solid spheres
G. Beati, Sphaera Triplex Artificialis, Elementaris, ac Caelestis, 1662
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