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Scientific American Supplement, No. 717, September 28, 1889

Scientific American Supple…

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内容简介

With the idyls and historic or picturesque subjects that the Universal Exposition gives us the occasion to publish, we thought we would make a happy contrast by selecting a subject of a different kind, by presenting to our readers Mr. Layraud's fine picture, which represents the gigantic power hammer used at the St. Chamond Forges and Steel Works in the construction of our naval guns. By the side of the machinery gallery and the Eiffel tower this gigantic apparatus is well in its place.
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