fires, some of driven by inverted engines, surface incendiary origin, that threatened the condensing without a vacuum. There destruction of Alexandria. is one Scotch boiler, 9 ft. 3 in. in di- The second boat, built by the city of ameter by 14 ft. in length, carrying Brooklyn, was the Seth Low,… … FIG. II.— THE "VISITOR, ' PHILADELPHIA.
Engineering
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