Andre danjon 1890 1967 (1 risultati)

Square 8vo. VII, [1], 75, [1] pp. 6 plates. Original black & red printed wrappers; some wear to extremities, but well-preserved. Rubber-stamp (upper cover) of the Carnegie Institution of Washington, Mount Wilson Observatory, Pasadena. Very good. Exhibition regarding the discovery of Neptune through newspapers and contemporary periodicals. Urbain Le Verrier (1811-1877) French astronomer and mathematician, specializing in celestial mechanics, founder of modern French meteorology, is best known for predicting the existence and position of Neptune using only mathematics. He was elected to the Academy of Sciences for his work on the stability of the solar system.…