The Great Yerkes Telescope

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The Great Yerkes Telescope

✔ XXS - minuscule (152 x 240)
✔ XS - très petit (206 x 324)
✔ S - petit (275 x 432)
✔ M - moyen (378 x 594)
✔ L - grand (481 x 756)
✔ XL - très grand (584 x 918)
✔ Original (750 x 1178)

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$Great telescope at the Yerkes Observatory of the University of Chicago, Williams Bay, Wisconsin, U.S.A. It was erected in 1896–7, and is the largest refracting telescope in the world. Diameter of object-glass, 40 inches; length of telescope, about 60 feet. The object-glass was made by the firm of Alvan Clark and Sons, of Cambridge, Massachusetts; the other portions of the instrument by the Warner and Swasey Co., of Cleveland, Ohio.$

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Great telescope at the Yerkes Observatory of the University of Chicago, Williams Bay, Wisconsin, U.S.A. It was erected in 1896–7, and is the largest refracting telescope in the world. Diameter of object-glass, 40 inches; length of telescope, about 60 feet. The object-glass was made by the firm of Alvan Clark and Sons, of Cambridge, Massachusetts; the other portions of the instrument by the Warner and Swasey Co., of Cleveland, Ohio.

The Copernican theory of the Solar System

Auteur: The Project Gutenberg EBook of Astronomy of To-day, by Cecil G. Dolmage Published 1910
Ajoutée le: Vendredi 17 Avril 2020
Dimensions: 750*1178
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Albums: Technology / Astronomy
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