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Scientific American, Vol. 29, No. 12 (September 1873) (1873)

leaf 6

An illustration from Scientific American, Vol. 29, No. 12 (September 1873), 1873, leaf 6
MttXtWX* September 20, 1873.] 181 … trades are the most perfect illustrations),—are at last becom- and continental builders have copied from them. In this de- THE GREAT EXPOSITION-LETTER FROM UNITED STATES ing appreciated and are being adopted on this side of the At- partment, the American mechanic can probably claim more…

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