Known as the father of descriptive geometry, Gaspard Monge (1746–1818) was born in Beaune, Burgundy in France. Attending college at an early age, Monge showed mathematical talent early on. He drew a ...

Around 1900, mathematicians across the world acquired physical models, both to illustrate concepts they taught and to demonstrate their familiarity with new ideas. They frequently purchased models ...

Years back, when a small website called out for product-review editors. I leapt at the opportunity: I’d just wrapped up a four-year stint as a systems supplier. That experience provided the ...

THE models are six in number. They are intended to show a line (1) by its projections, (2) by its traces; the inclination of an oblique plane (3) to the vertical plane, (4) to the horizontal plane; ...