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: G.W. Ritchey ; introd. de L. Delloye.
Contributors: Société astronomique de France, Paris
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: French and English.

Mounted illustration on cover.