File:Beijing Ancient Observatory 91045.jpg
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| Description |
English: Altazimuth. Qing Dynasty, 1673. Ancient Observatory, Beijing
To use this instrument, an observer lines up a celestial object in the tall vertical slot, then reads off its azimuth from a scale on the equatorial wheel. |
| Date | |
| Source | Own work |
| Author | G41rn8 |
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I, the copyright holder of this work, hereby publish it under the following license:
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:03, 5 December 2015 | | 2,592 × 1,944 (2.29 MB) | G41rn8 (talk | contribs) | User created page with UploadWizard |
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