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 534
Fig. 54 For high-quality doors fir ished in hardwood, it is necessaryto use veneer glued to a built-up core. A few forms of built-up cores are shown in Fig. 55. At {a) the core consists offive pieces of pine a glued together to form a solid plank.The end-piece b and the surface c are of oak,… … ITOpypi^ Fig. 55 other hardwood, and the molding d and the panel e are solid,At (<^), the treatment is similar, but the panel is veneeredalso, while at (r), the solid panel is again used with a differenttreatment of the details on opposite sides to suit the con-ditions of the two rooms.…
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-663-425.webp)
