This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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{{Non-free use rationale |Article = The Seven Lamps of Architecture |Description = title page of book |Source = http://www.first-folio.com/pages/books/20201/john-ruskin/the-seven-lamps-of-architecture |Portion =...
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