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Actions Displays	Details Remove from selection Add to selection Author G. W. Ritchey, 1864 G. W. Ritchey, 1864, Société astronomique de France. Description 2 p. l., [62] p., 1 l. :, 33 cm. Call Number QB32 .R58 1929 OVSZ c.2 Subjects Telescopes., Astronomical photography. Publishing Paris :: Publié sous les auspices de la société astronomique de France, 1929. Material Book

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