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Model for Descriptive Geometry by A. Jullien - Intersection of Two Planes

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Model for Descriptive Geometry by A. Jullien - Special Case of the Intersection of a Line and a Plane

CC0 Usage Conditions ApplyClick for more information. As with relief 17, APA’ is again the plane and the red string de’ is on the plane. In this relief, the line is represented by the wire coming out ...
Nature

Descriptive Geometry Models for the use of Students in Schools and Colleges

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; ...
Nature

A Course in Descriptive Geometry

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 ...