e Common tele- mon telescope, to which the image scope is 20 inches wider than the of the star is carried by a system diameter of the Yerkes. The Observing Room of the Common Telescope. The Eyepiece of the Telescope of mirrors, is situated at a desk The largest telescope ever con- is Under the… … this telescope is interesting. It made on the spot where the tele- Diagram of the Common Telescope, Showing Manner of Mounting, has been mounted in the open air. scope was to stand—the first sod This is a very unusual procedure, being turned September 28, 1904— but is expected to prove as success-…
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