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 389
. 79 on the contrary, the measurements laid off on ac are pro-jected into the perspective plan from Af^ because a c vanishesat V^. The line ax going through the corner of the roomserves as a measuring line on which all the details are laidoff to scale, and are projected therefrom to their… … Kir.. 81 «4 §5 ELEMENTARY PERSPECTIVE DRAWING 95 PROBLEM XI 81. The problem shown in Fig. 81 is the perspectiverendering of a view of the entrance gate or portcuDis ofWarwick Castle, England, a photograph of which is shownin Fig. 82. 82. This drawing is to be executed on the usual sheet9 inches by…