Photographic plate on astronomy - 1930

Black and white photographic plate on astronomy (original), taken from an old encyclopedia. "illustrated" on the front and back 💎 all lithographs and cards in this account are originals and not copies other lithographs on the sun, the moon, the sky, etc. Also available on this account date: publication of the work in the 1930s dimensions: approx. 24 X 31 cm to frame