Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 250
Fig. 262. Elevation of Framing for the Niche 198 CARPENTRY 187 … Fig. 263. Section ofSmall Niche stone, they are occasionally built of timber, and in any case a timbercentering must be built for them. A vault may be described as thesurface generated by a curved line, as the line moves through space,and in accordance with this definition there are vaults of all…
Architecture · Building
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