Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 244
ll in-tersect the inside face of thewall at different heights, be-cause as they are extendedoutward they must also be ex-tended downward. Each onewill be curved if the dome isspherical, and straight if thedome is conical. The upperends of the ribs bear against thecurb A, leaving a circular open-ing… … Fig. 258. Dome Framing with ExtendedRafters 196 CARPENTRY 185
Architecture · Building
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![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-124-342.webp)
