The principles of Gothic ecclesiastical architecture : with an explanation of technical terms and a centenary of ancient terms ... (1882)
Bloxam, Matthew Holbeche, 1805-1888 · London : Bell · leaf 55
d trefoil (fig. 12). The first prevailed inthe latter part of the twelfth and early part of the thir-teenth century, chiefly as a heading for niches or blankarcades; the second, used for the same purpose, pre-vailed in the thirteenth century; and the latter is foundin doorways of the twelfth,…
Architecture, Gothic
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