chaosophia218: Richard Anthony Proctor - Antique Celestial Map, “On the Stereographic Projection”, 1880.“This Celestial Map is showing all the space covered by the six Northern Maps. On the globe the circle 1, 2, 4, 6, 8 and 10 are equal to each

chaosophia218: Richard Anthony Proctor - Antique Celestial Map, “On the Stereographic Projection”, 1880.“This Celestial Map is showing all the space covered by the six Northern Maps. On the globe the circle 1, 2, 4, 6, 8 and 10 are equal to each

tags: Stare-at-the-universe,

from: https://stare-at-the-universe.tumblr.com/post/175508190584