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Geometrical drawing, projection drawing, freehand and ornamental drawing, wash work and brush drawing, elementary perspective drawing, architectural drawing (1921)

International Correspondence Schools · Scranton, PA : International Textbook Co. · leaf 76

An illustration from Geometrical drawing, projection drawing, freehand and ornamental drawing, wash work and brush drawing, elementary perspective drawing, architectural drawing, 1921, leaf 76
61 62 GEOMETRICAL DRAWING §1 Case I.—Explanation.—The curve shown in problem 23is a parabola. The axis OA, which bisects the area includedbetween the curve and the line B C, is ii in length. Anyline, B A or A C, drawn perpendicular to O A, and whoselength is included between OA and the curve, is…

Architectural drawing · Geometrical drawing · Brush drawing · Perspective · Projection · Decoration and ornament

Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.

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