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 59
egiven point, and EOFis the given angle. With the vertex Oas a center, and any convenient radius, describe an arc EFcutting O E and O F in E and F. With P as a center, andthe same radius, describe an arc CD. With D as a center,and a radius equal to the chord of the arc EF, describe anarc cutting CD… … 44 §1 GEOMETRICAL DRAWING 45 Construction.—AB is the given side 3* long. WithA B &s 3i radius, and A and B as centers, describe two arcsintersecting in C. Draw CA and CB, and CA B is an equi-lateral triangle. Problem 9.—Tlie altitude of an equilateral trianglebeing given, to draw the triangle.…