ison, Leffert L. Buck and William construction, and will consist of the bridge proper over the gas and air entered, raising the eheckerwork to a H. Hutton, all of New York city, were especially in- the river channel, and a long approach at either end; high temperature. About every twenty minutes… … about six and the openwork of the bridge a half hours to melt the proper and ap- charge, and four to six hours are consumed in boiling vited by the Secretary of War to compete for the honor proaches will be 3,440 feet. The bridge is to consist of down to get rid of the carbon and various impuri- of…
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