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 55
sect a given angle. Case I.— Whe7i the sides i7itersect withi7i the limits of thedrawing. See Exercise II, Sheet I. Construction.—Let A OB h^ the angle to be bisected.Draw the sides OA and O D \\ long. With the vertex Oas a center, and any convenient radius, describe an arc D Eintersecting OA at D… … 40 §1 GEOMETRICAL DRAWING 41 Case II.— IV^en the sides do not intersect within the limitsof the drawing. See Exercise II, Sheet L Construction.—Draw two lines, AB and CD, each \\long, and incline toward each other as shown. With anypoint E on CD as a center and any convenient radius,describe arc…