Fotografia spettroeliografica
Subtitle: lettera del prof. G.E. Hale e nota di A. Riccò
Contributors: Riccò, Annibale, 1844-1919
Publisher: [s.n.]
Published: 1915
Place of publication: Italy
Language: ita
Number of pages: 35
Subjects: Spectroheliograph; Astronomical spectroscopy
Notes: Caption title.

Includes bibliographical references.