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Knight's Mechanical Encyclopedia (ed. Knight) 4 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), A. (search)
entered the city by the Esquiline Gate. This aqueduct was the work of Quintus Martius, and had nearly seven thousand arches in a course of thirty-nine miles. The fourth (Aqua Tepula) was supplied from the vicinity of Frascati. The fifth (Aqua Julia) was about six miles long, and entered the city near the Porta Esquilina. The sixth (Aqua Virginis) was constructed by Agrippa thirteen years after the Julia. Its summit, in the territory of Tusculum, was about eight miles from Rome, which tiles and a coating of cement. Doors from the outside admitted the persons in charge to examine the condition of the conduits at any time, and they were required to report constantly upon their efficiency and state of repair. Roman aqueducts, Julia. Tepula, and Martia. The accompanying illustration (Fig. 290) shows one plan adopted by the Romans for conveying water across a valley. The aqueduct was erected by the Emperor Claudius for supplying a palace in an elevated part of the ancie