Descartes, René. Geometria, à Renato Des Cartes anno 1637 Gallicè edita. Amsterdam, Blaeu, 1683. In 4° (198 x 135 mm);[16], 520; [20], 420, 8 pages.Portrait of the author on verso of the buttonhole of the first volume, numerous woodcuts in the text, frontispieces printed in red and black (occasional browning and flourishing, some staining.) Half-leather back binding with gold title to spine (peeling). Only volumes 7 and 8, devoted toGeometry, from the 12-volume Opera omnia published in Amsterdam between 1682 and 1701. (2)

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