How to study architecture; by Charles H. Caffin ... an attempt to trace the evolution of architecture as the product and expression of successive phases of civilisation (1917)
Caffin, Charles Henry, 1854-1918 · New York, Dodd, Mead and Company · leaf 254
SECTION OF S. SOPHIA, CONSTANTINOPLE Showing Pendentive Dome. P. 207. Small Diagram, at Right, ShowsHow a Dome Was Made to Rest on Eight Piers Enclosing an Octagon, byNiches or Squinches. … EXTERIOR OF S. SOPHIA Showing the Immense Buttresses That Sustain the Thrust of the Dome.^IixARETs Added Later Are of Characteristicaely Turkish Type. P. 207
Architecture
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