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Nature volume 24, page 400 | Download Citation



Journal of the Franklin Institute, July.—The direct manufacture of iron from ore, puddling, heating furnaces, and forge cinders, &c., by Mr. Du Puy. Discussion on steel rails.—Experiments with screw-propellers of different material and dimensions, applied to the steamer Lookout, with the hull coppered and not coppered, by Chief-Engineer Isherwood.—Percussion rock-drills, by Mr. Grimshaw.—Radio-dynamic, by Dr. Pliny Earle Chase.

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