(Celestial) The Magnitude of the Sun, The Primary And Secundary Planets, And Distances Of The Secundary Planets From Their Primary Ones' Deduced From The Latest Observations..., Dunn, c. 1774 Centered on the Sun with a notation about its black spots and how they "move from East to West", this is a state of the art depiction of our solar system as best as it was known at the time. Notes six planets and their moons, with Jupiter having 4 (now counted as 95 moons) and Saturn as having 5 (now totaled up to 146 moons). Prior to Herschel's discovery of Uranus. Condition is very good on this crisp engraving. Some offsetting. Image size is approximately 14.25 x 21 (inches)