Reber, Franz, Clarke, Joseph Thacher, d. 1920, tr · New York : Harper & Brothers · leaf 569
ing stiffened to straight lines, with an angular 532 THE EXTENSION OF GOTHIC ARCHITECTURE. apex. Furthermore, the ribs of the vault, which had already beenassimilated in character to the tracery, were treated as straight andradial bars, connected, like the mullions, with trefoil cusps, andusually…
Art, Medieval
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