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 524
ompar-ing the left half of the plan with the right half. 71. Brick flues should have 8 of brickwork all aroundthe outside of the chimney and A between the flues. Thejoints must be struck smooth, but the inside should neverbe plastered with mortar, as it is liable to crack off and fallinto the flues… … J 1. 2X4.5X005 5DI L T 53D § 7 Fig. 43 §7 ARCHITECTURAL DRAWING 83 as shown in the right half of the plan (e). The saving ofbrick and economy of space make terra-cotta lined fluesless costly in the long run than the plain brick construction.The first cost of the latter, however, is less, and in…