A dictionary of Greek and Roman . as-cribed to Tarquinius Priscus (Liv. i. 38 ; a), and which was formed to carry off thewaters brought down from the adjacent hills intothe Velabrum and valley of the Forum. Thestone of which it is built is a mark of the greatantiquity of the work ; it is not the peperino ofGabii and the Alban hills, which was the commonbuilding-stone in the time of the commonwealth ;but it is the tufa litoide of Brocchi, one of thevolcanic formations which is found in many placesin Rome, and which was afterwards supplanted inpublic buildings by the finer
A dictionary of Greek and Roman . as-cribed to Tarquinius Priscus (Liv. i. 38 ; a), and which was formed to carry off thewaters brought down from the adjacent hills intothe Velabrum and valley of the Forum. Thestone of which it is built is a mark of the greatantiquity of the work ; it is not the peperino ofGabii and the Alban hills, which was the commonbuilding-stone in the time of the commonwealth ;but it is the tufa litoide of Brocchi, one of thevolcanic formations which is found in many placesin Rome, and which was afterwards supplanted inpublic buildings by the finer quality of the peperino.(Arnold, Hist. Rom. vol. i. p. 52.) This cloacawas formed by three arches, one within the other,the innermost of which is a semicircular vault of 18 Roman palms, about 14 feet in diameter, eachof the hewn blocks being 7b palms long and 41high, and joined together without cement. Themanner of construction is shown in the annexedwoodcut, taken on the spot, where a part of it isuncovered near the arch of Janus The mouth where it reaches the Tiber, nearlyopposite to one extremity of the insula Tiberina,still remains in the state referred to by Pliny (I. c).It is represented in the annexed woodcut, with theadjacent buildings as they still exist, the modernfabrics only which encumber the site, being leftout.
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Keywords: ., bookauthorsmithwilliam18131893, bookcentury1800, bookdecade1840
