Jean Sylvain Bailly. in French. Paris, 1781. 3 plates of zodiacal and ancient Egyptian figures. Pan-Babylonian speculations. 3 later volumes were called “modern astronomy”, ending in the author’s own 1700s. Original calf binding. Previous owners included important astronomer Nicholas Bobrovnikoff, and British Major-General Frederick Edward Sotheby. Bailly was a prominent astronomer. He became Paris’s first mayor after the Revolution and championed declaring that Jews were entitled to citizenship. He was guillotined in the Reign of Terror in 1793.