taining a shell in electrotyping. structure will stand, and to prevent entirely any ap- of the "White City." As will be seen by the illus- Another new application of copper plating is the manu- pearance of rust, the above amounts are necessary. tration, each arched entrance to the Manufactures… … or whatever may be mammoth edifice EXPOSITflMff- THE NORTH CANAL AND BRIDGE. THE WORLD'S COLUMBIAN used, is rendered 17,000,000 feet of conducting by a new lumber, 12,000.000 process, which does not include bisulphide of carbon than paintf but this is more than compensated by Its pounds of steel,…
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