Scientific Sketch of Celestial Bodies
a pen and ink scientific sketch of the earth, sun, and mars with distance calculations, 1900s, white background, calligraphy-like line work, --ar 2:3 --v 7
a pen and ink scientific sketch of the earth, sun, and mars with distance calculations, 1900s, white background, calligraphy-like line work, --ar 2:3 --v 7