The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . c in section, arising from themethod of its construction. A similar system of constructionwas employed for the vault over the great hall at Ctesiphon,where the material employed was burnt bricks or tiles of greatdimensions, cemented with mortar; but the span was closeupon 8j ft., and the thickness of the vault was nearly 5 ft. atthe top, there being four rings of brickwork. It is probablethat the great vaults of the Assyrian palaces were constructedin the same way, but with unburnt bricks dried on
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . c in section, arising from themethod of its construction. A similar system of constructionwas employed for the vault over the great hall at Ctesiphon,where the material employed was burnt bricks or tiles of greatdimensions, cemented with mortar; but the span was closeupon 8j ft., and the thickness of the vault was nearly 5 ft. atthe top, there being four rings of brickwork. It is probablethat the great vaults of the Assyrian palaces were constructedin the same way, but with unburnt bricks dried only in the sun;one of the drains discovered by Layard at Nimrud was buJtin rings sloping backwards. From the fact that each Assyrianmonarch on his accession to the throne commenced his reignby the erection of a palace, it is probable that, owing to theephemeral construction of these great vaults, half a centurywas the term of their This may also account for thefact that no domed structures exist of the type shown in one ofthe bas reliefs from Nimrud (fig. l); the tradition of their.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
