Récréations mathématiques at problèmes des temps ancien et modernes. 2. éd. française traduite d'après la 4. éd., anglaise et enrichie par J. Fitz-Patrick
Récréations mathématiques is a 1907 French translation of W. W. Rouse Ball's mathematical puzzles and problems, published in Paris by J. Fitz-Patrick for general readers of recreational mathematics. The two pictures are plain line diagrams: one shows intersecting parabola-like curves with dashed construction lines and a labelled point on a grid, the other shows a net of connected squares and pentagons with dashed fold lines and lettered vertices. A designer could draw on the clean geometric linework, the dashed construction lines, and the net-like tiling of polygons.
