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https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14018517

A mathematician using dividers to draw geometrical shapes on a tablet. Engraving by N. Cavalli after G.B. Piazzetta.

Original public domain image from Wellcome Collection

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A mathematician using dividers to draw geometrical shapes on a tablet. Engraving by N. Cavalli after G.B. Piazzetta.

More