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Model for Descriptive Geometry by A. Jullien - Angle between Two Planes with Parallel Horizontal Traces

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

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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 ...