Celestial scenery, or, The Wonders of the planetary system displayed : illustrating the perfections of deity and a plurality of worlds (1845)
Dick, Thomas, 1774-1857, Parker, E. S., former owner. DSI, David H. DeVorkin Collection (Smithsonian Institution. Libraries) DSI · Philadelphia : Published by Edward C. Biddle · leaf 88
not beable to determine whether the spot, during that interval oftwenty-four hours, had advanced forward only 15°, or had fin-ished a revolution, and 15° more as part of another rotation.*Of these two periods Bianchini concluded that the rotationwas accomplished in twenty-four days, eight hours.… … several persons of distinction viewed for about an hour, whenthey could discover no change of place in their appearance.Venus being hidden behind the Barbarini palace, their viewwas interrupted for nearly three hours, at the end of whichthey found that the spots had not sensibly changed their…
Astronomy
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
