An introduction to the study of Gothic architecture (1900)
Parker, John Henry, 1806-1884 · London : J. Parker · leaf 167
hire, with the points of thecusps formed into a roundmoulding, or bowtell(105); sometimes trefoilsor spherical triangles, of _which we have a veryrich example in the southtransept of WestminsterAbbey, where the sphe-rical triangle is made toinclose a foliated circle(106) : the same gradual 105.…
Architecture, Gothic
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