Astronomy, Earth & solar system, various illustrations, 1817.

"Astronomy", with various illustrations depicting the Earth's relation to the sun, magnitudes of the planets, apparent magnitude of the sun from the planets etc. (including 'Georgium Sidus', or Uranus). Copper engraved print, published in an encyclopedia in 1817. Goopd condition. Size 18 x 24 cms, plus margins. Ref I0872