Über den Doppelstern [signma] 2120 = Herculis 210
By: Von O. Struve
Publisher: Imprimé par ordre de l'Académie Impériale des sciences.
Published: 1876
Place of publication: St. Petersburg
Language: ger
Number of pages: 335
Subjects: Double stars; Observations; Astronomy
Other titles: Mélanges mathématiques et astronomiques.
Notes: Caption title.

"Sigma" in title is represented by the Greek symbol.

Publisher's name from p. 335.

At head of title: Mélanges mathématiques et astronomiques tirés du Bulletin de l'Académie Impériale des sciences de St.-Petersbourg. Tome V.

Rare Book copy: Bound with 44 related works