reason forits extending quite to the side arch, though itusually does so in England. In the annexedfigure, the ridge-ribs are shown, as in foreignexamples, continued no farther than is neces-sary. In England, intermediate ribs andridge-ribs appeared in the later Early English(as at Westminster,)… … Compartment of vaulting, with ribsof six different curvatures ; viz.,groin ribs, two kinds of side ribs, offormereU, one intermediate rib ortierceron on the wide vault, and twoon the narrow vault. Whichever ofthese six be made circular, the re-maining fWc must be elliptical, if th»surfaces are…
Architecture · Building
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-232-428.webp)
