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Model for Descriptive Geometry by A. Jullien - Line of Greatest Slope

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Model for Descriptive Geometry by A. Jullien - Line Perpendicular to a Plane

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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

Descriptive Geometry

PERHAPS the most notable feature of this work is its logical development of the subject. Beginning with the point in space we are shown its plan, front elevation, and side elevation, when situated in ...