File:William Pearson Orrery.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.
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Source Downloaded from Planetary Machines, Edinburgh Encyclopaedia, Vol.16, 1830, William Blackwood & Proprietors, Edinburgh UK, Plate 462, following p.741 on Google Books.
Author David Brewster
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Public domain - author died in 1868

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current16:38, 11 November 2007Thumbnail for version as of 16:38, 11 November 20071,063 × 1,299 (114 KB)Chetvorno (talk | contribs){{Information |Description=Drawing of orrery built in 1813 by Rev. William Pearson. |Source=Downloaded from [http://books.google.com/books?id=q2tTt_NNr2YC&pg=PA741 Planetary Machines, ''Edinburgh Encyclopaedia'', Vol.16, 1830, William Blackwood & Propriet

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