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 66
oblems of this exercise are moredifiRcult than any of the preceding problems and willrequire very careful construction. All the sides of eachpolygon must be of exactly the same length, so that theywill space around evenly with the dividers. The figuresshould not be inked in, but the pencil… … 61 52 GEOMETRICAL DRAWING §1 Construction.—From O as a center, with the compassesset to 1\, describe the circled B CD. Draw the two diame-ters A C and DB 2X right angles to each other. Bisect oneof the radii, as OB, at /. With / as a center, and IA as aradius, describe the arc y? 7 cutting- D O at…
![An illustration from Brief synopsis of the course of lectures in descriptive geometry; as arranged for the first year Faculty of Applied Science and Engineering, University of Toronto. [By] J. Roy Cockburn (1922)](https://img.insideoutlibrary.com/img/200/ia-fybriefsynopsiso00cockuoft-27-24.webp)
