Mathematical essays and recreations
Popular mathematics essays by Hermann Schubert, translated by Thomas J. McCormack and published by Open Court in Chicago in 1903 for general readers interested in magic squares, squaring the circle, and four-dimensional space. Line diagrams of numbered points, intersecting triangles and projective configurations sit alongside a redrawn copy of Dürer's Melencolia I, offering spare geometric linework, numeric labelling, and a dense allegorical engraving.




