Building stone, lathing, plastering, and tiling, common brickwork, ornamental brickwork and terra cotta : lighting fixtures, use and design of lighting fixtures, architectural design (1909)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 228
COTTA 13 courses, the header and the stretcher courses being bondedby headers, as shown at a, a. 20. Skew Backs.—When brick arches of large span areto be built, they should in all cases have skew backs orspringing stone, as shown at b, Fig. 14. The stone shouldbe cut so as to bond into the… … Fig. 14 from the soffit to the extrados. It will be noticed by refer-ring to Figs. 13 and 14 that there are more bricks in theouter rowlocks of the arches than in the inner rowlocks.This is, of course, due to the fact that the circumference ofthe outer circle is larger than the circumference of the…
Building · Building materials · Architectural design · Lighting, Architectural and decorative
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