Ruskin, John, 1819-1900 · Boston : Aldine Book Publishing Co. · leaf 374
TEE ARCHIVOLT AND APERTURE. 327 conceivable that when two ranges of voussoirs were used,one over another, it would be easier to leave those beneath,of a smaller diameter, than to bevel them to accurate junc-tion with those outside. Whether influenced by this facility,or by decorative instinct, the…
Architecture
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