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Scientific American, Vol. 96, No. 4 (1907) (1907)

leaf 3

An illustration from Scientific American, Vol. 96, No. 4 (1907), 1907, leaf 3
roaches nearly a thou- floors below ground level are also below water level, westerly direction for about three-quarters of a mile, sand feet in length, not a word as to the progress of it was decided to inclose the whole of the area with below the main line tracks of the Pennsylvania Rail- this… … Approach. Advanced and the Doors in

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