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Reflecting telescopes.

Reflecting telescopes: 1. Dominion Astrophysical Observatory, Victoria, B.C. Reflecting telescope with 72-in. mirror.2. Equatorial telescope at Columbia university. (The rising floor is about one-third of the way from the top.) 3. U.S. Naval Observatory, Washington. 26-in. Equatorial with which the satellites of Mars were discovered in 1874 & 6. The Lick Observatory: 36-in. refractor with spectrograph attached and (6) the Crossley reflector, showing moving observing platform5. A l/10th scale model of the 200-in. telescope in process of assembly for use of the California Institute of Technology on Mt. Palomar, California.7. This is a cutaway model showing the 200-in. telescope in the dome. Dated 20th Century.
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Titre:
Reflecting telescopes.
Légende: Voir la traduction automatique
Reflecting telescopes: 1. Dominion Astrophysical Observatory, Victoria, B.C. Reflecting telescope with 72-in. mirror.2. Equatorial telescope at Columbia university. (The rising floor is about one-third of the way from the top.) 3. U.S. Naval Observatory, Washington. 26-in. Equatorial with which the satellites of Mars were discovered in 1874 & 6. The Lick Observatory: 36-in. refractor with spectrograph attached and (6) the Crossley reflector, showing moving observing platform5. A l/10th scale model of the 200-in. telescope in process of assembly for use of the California Institute of Technology on Mt. Palomar, California.7. This is a cutaway model showing the 200-in. telescope in the dome. Dated 20th Century.
Crédit:
Album / Universal Images Group / Universal History Archive
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Modèle: Non - Propriété: Non
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Taille de l'image:
4398 x 4769 px | 60.0 MB
Taille d'impression:
37.2 x 40.4 cm | 14.7 x 15.9 in (300 dpi)
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