Reflecting telescopes: 1. Dominion Astrophysical Observatory, Victoria, Reflecting telescope with 72-in. Equatorial telescope at Columbia university. (The rising floor is about one-third of the way from the top.)3. Naval Observatory, Washington. 26-in. Equatorial with which the satellites of Mars were discovered in 18774 & 6. The Lick Observatory: 36-in. refractor with spectrograph attached and (6) the Crossley reflector, showing moving observing platform.

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Reflecting telescopes: 1. Dominion Astrophysical Observatory, Victoria, Reflecting telescope with 72-in. Equatorial telescope at Columbia university. (The rising floor is about one-third of the way from the top.)3. Naval Observatory, Washington. 26-in. Equatorial with which the satellites of Mars were discovered in 18774 & 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, This is a cutaway model showing the 200-in. telescope in the dome. Dated 20th Century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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