File:William Pearson Orrery Section.png
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English: Drawing of orrery built in 1813 by British astronomer Dr. William Pearson. The lower drawing is a section through the axis, showing the mechanism. In addition to the planets and their moons, it also showed the asteroids Ceres, Vesta, and Pallas. A detailed description of the construction of this orrery can be found in Planetary Machines, Edinburgh Encyclopaedia, Vol.16, 1830, William Blackwood & Proprietors, Edinburgh UK, p.646-651. Alterations: removed title and plate number, sharpened image, erased some JPEG artifacts, converted to PNG. Cropped |
| Date | |
| Source | Planetary Machines, Edinburgh Encyclopaedia, Vol.16, 1830, William Blackwood & Proprietors, Edinburgh UK, Plate 462, following p.741] on Google Books. |
| Author | Pearson |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| current | 01:36, 12 June 2011 | | 1,057 × 768 (72 KB) | ClemRutter (talk | contribs) |
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