Encyclopedia of architecture : a dictionary of the science and practice of architecture, building, carpentry, etc., from the earliest ages to the present time, forming a comprehensive work of reference for the use of architects, builders, carpenters, masons, engineers, students, professional men, and amateurs (1852)
Nicholson, Peter, 1765-1844, Lomax, Edward, Gunyon, Thomas · New York : Johnson, Fry & Co. · leaf 335
CBA Fijr62f°z T^ 7 jV2. … Ufttmi bv PNwhoUon. CYL 2-25 CYZ coving ought to be adopted, as it rises from the surface of thewall, which forms a tangent plane to the curvature at thespringing of tlie arch; whereas the tangent plane at thespringing of a ceiling, which is less than a semi-cylinder,always forms an angle with the…
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