Mathematical models

The new and enlarged edition of this popular book gives detailed instructions for making a wide variety of models illustrating elementary mathematics. Nothing of value in the first edition has been omitted: dissections, paper-folding, curve-stitching, the drawing of loci and envelopes, the construction of plane tesselations, polyhedra, and ruled surfaces are all included. Complete plans and nets are given for all regular, Archimedean, and stellated polyhedra, together with compound solids of various kinds. The section of machines has been considerably enlarged, and now includes details of…