The ecclesiastical architecture of Ireland, anterior to the Anglo-Norman invasion; comprising an essay on the origin and uses of the round towers of Ireland, which obtained the gold medal and prize of the Royal Irish Academy (1845)
Petrie, George, 1789-1866 · Dublin : Hodges and Smith · leaf 210
INTO TIIK OUIGIN AND USES also of an equally uiionuuueiited construction, but the arches areusually formed with great skill, and of blocks of stone nearly all ofequal size. These arches are invariably semicircular, and generallyspring from jambs which have au inclination corresponding withthose of… … This arch is nine feet wide, and ten feet six inches from the presentlevel of the floor, which seems considerably raised, to the key-stone ofthe arch, and the jambs are six feet high to the spring of the arch. I have next to speak of the materials, mode, and st}de of con-struction, of the roofs of…
Church architecture · Round towers
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