for the aeration of mineral out, and the vertical circular hole thus formed is hours, it is proposed to operate eight-car trains on a It has been found that this gas exercises no waters. filled up with concrete tightly rammed in place. This headway of one and one-half minutes between trains; and as… … Z9 fog etArvon Feet Wide and 420 Feet Long. S| ei aa 4s) in this wall, and lying below street level, will have -three floors, the first below the street being the con- course floor, the second the station floor for the tunnel Z trains, and the lowest containing the power plant. “iffy Above the…
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