Dressed Construction.
107
to support the covering of the building, which latter was composed of long and heavy slabs.
The vertical elements support the architraves and combine them one with another. These vertical supports vary greatly in size. Those of small or medium dimensions are monoliths; others are
.jpg)
Fig. 69. — The Egyptian "bond."'
composed of many courses of stone one upon another, courses which in this case take the name of drums.
Upon exterior surfaces, supports take various forms of development which may all be referred to the type which we have defined, namely, the portico. In the interiors the form of support is a logical consequence of the material employed. Whenever the
