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Scientific American, Vol. 60, No. 13 (1889) (1889)

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An illustration from Scientific American, Vol. 60, No. 13 (1889), 1889, leaf 0
all the connections are prepared for 6,000, and the board can be extended so as to include 10,000. The building is fireproof throughout. The cellar is excavated under the sidewalk and roadway of the street. In its front end are, the terminals of several subway conduits partially occupied by cables.… … A ul s\ ASS EXCHANGE,

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