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 481
is shown a section through the riser and tread of thestairway in order thatdetails may be clearlyunderstood. It willbe observed herethat the tread of thestep is considerablylonger than the not.The run is measuredfrom the face of oneriser to the face ofthe next, but thetread projects con-J^- so… … §7 ARCHITECTURAL DRAWING 67 Draw the upper landing 3 0 square, and then show fourtreads about 10 or IT wide from the landing to the plat-form. The platform is 3 0 wide and 4 S long to outsideof the rail, and there is one tread beyond it extending intothe hall. The posts, or newels, are 6 square,…
