L' évolution de l'astrophotographie et les grands télescopes de l'avenir.
Subtitle: The development of astro-photography and the great telescopes of the future.
By: Introduction de L. Delloye
Contributors: Société astronomique de France
Publisher: Publié sous les auspices de la Société astronomique de France
Published: 1929
Place of publication: [Paris]
Language: fre
Number of pages: 62
Subjects: Astronomical photography; Telescopes
Notes: At head of title: G. W. Ritchey

French and English

Mounted illustration on cover