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. The Street railway journal . ction of the several lines at the Place de lEtoilehas demanded a most extensive system of undergroundtunneling at that site, but the additional requirements of asub-station for electric power, and large rooms for ac-cumulators, together with elevator pits and accommoda-tion for the necessary operating machinery and watertanks, have combined to make an elaborate honey-comb of subterranean galleries, halls and stairways, with- out mentioning the three immense stations. Thus theTriumphal Arch above may well be held to represent anew triumph, not of war, but of archi
. The Street railway journal . ction of the several lines at the Place de lEtoilehas demanded a most extensive system of undergroundtunneling at that site, but the additional requirements of asub-station for electric power, and large rooms for ac-cumulators, together with elevator pits and accommoda-tion for the necessary operating machinery and watertanks, have combined to make an elaborate honey-comb of subterranean galleries, halls and stairways, with- out mentioning the three immense stations. Thus theTriumphal Arch above may well be held to represent anew triumph, not of war, but of architectural and engineer-ing skill, executed amid countless difficulties in the depthsof the earth over which the stately monument is raised. At the Etoile station one line passes beneath the others,requiring very deep excavation in order to build the lowerstation. For passenger service two elevators will be in-stalled, intended principally for the lower, but available forthe upper, stations. The elevator pits, solidly built with. FIG. 9.—UNDERGROUND VAULT FOR TRANSFORMERS,PLACE DE LETOILE masonry walls, have a depth of 57 ft. 6 ins. As yet thereis no machinery installed, the walls and passages being toodamp. On the lowest story a large transformer stationhas been built, measuring nearly 100 ft. x 50 ft., with ahigh vaulted roof (Fig. 9). The row of columns down the
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884