ALS ("Le Verrier").
Large 8vo. ½ p. on bifolium.
To the physicist Jules Antoine Lissajous (1822-1880).
The French mathematician specialized in celestial mechanics and is best known for his part in the discovery of Neptune. "As a result of this achievement Le Verrier received, among other awards, the Copley Medal from the Royal Society of London and was named an officer in the Legion of Honour. A chair of astronomy was created for him at the University of Paris" (Enc. Br.).
On stationery with printed letterhead of the "Observatoire Imperial". With minor defects to edges and small spot in the lower margin. With a small label, the monogram stamp "LS" and ms. number "120" on the reverse of fol. 2.