File:HarvardGreatRefractorTelescope.jpeg
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English: This 15-inch telescope known as "The Great Refractor" was installed at Cambridge in 1847. For 20 years it was the largest telescope in the United States, the most significant American astronomical instrument and equal to the finest in the world. It formed the nucleus for development of the Harvard College Observatory. |
| Date | |
| Source | Own work |
| Author | Salamandarzu |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 20:36, 26 January 2011 | | 480 × 640 (237 KB) | Salamandarzu (talk | contribs) | {{Information |Description ={{en|1=This 15-inch telescope known as "The Great Refractor" was installed at Cambridge in 1847. For 20 years it was the largest telescope in the United States, the most significant American astronomical instrument and equal |
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