This is the opening page of the section of the geometrical work of Oronce Fine (1494-1555) dealing with Euclid's work on circles. This is part of Fine's major work entitled Protomathesis, which covered arithmetic, astronomy and astronomical instruments, as well as geometry.
From the Rare Book and Manuscript Collection at Columbia University.
Part of the Mathematical Treasures section of Loci: Convergence.
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