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 ...

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; ...

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DESCRIPTIVE Geometry affords the practical means of dealing with geometry in three dimensions, in the same manner that Practical Geometry, that is to say, the intelligent use of drawing and of ...

The use of the overhead projector (OP) as a teaching aid has spread very rapidly and widely and is recommended by educators, but its effectiveness in general and in specific subjects has not been ...