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 468
s so as to swingoutwards or inwards. Sucha window is called a case-ment ■windo^v, and isconstructed as shown inFig. 20. These windowsare very difficult to makeweather-tight, as drivingrain will work around thejoints of the best of them;but the form shown inFig. 20 is inexpensive andgives… … 48 ARCHITECTURAL DRAWING §7 ^m^i^ ^-.f