Rational building; being a translation of the article "Construction" in the Dictionnaire raisonne ́de l'architecture française of Eugène Emmanuel Viollet-Le-Duc; (1895)
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879 · New York, Macmillan · leaf 116
s and of the transverse arches. But now the builder wishes to double his archivolt A with a second arch / which shall intersect the diagonal arch, for the wall surmounting these archivolts is thick, and carries a semidome or oven-shaped vault. It is, then, only above the diagonal arch and when this… … Fig. 3 8. Fig. 39. L M N being a trapezium, the builder yet supposing it impossible to draw diagonal arches forming in their horizontal projection broken lines, the key 0 is nearer to the line M N than to the line K L. The arch K L having its summit on a higher plane than that of
Architecture · Building
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