Medieval architecture, its origins and development, with lists of monuments and bibliographies (1909)
Porter, Arthur Kingsley, 1883-1933 · New York, The Baker and Taylor Company · leaf 47
the direction of construction; but archi-tectural construction, the practical Romans developed to a pointfar in advance of any that had hitherto been reached. The principle of the arch had been long understood; — ex-actly who first discovered it will probably never be known — 11 THE HERITAGE OF… … I 1 1 1 1 1 1 1 1 JL 1 1 _u^v\4/c/^ i i i i i i i i i i i—j
Architecture, Medieval
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