The Peters Process of Manufacturing Steel from Pig Iron, Improved Oil-Stone Holder, and more - pp1 - 2

doi:10.1038/scientificamerican07021870-1

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Pacific Hotel, Chicago - p2

doi:10.1038/scientificamerican07021870-2

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Scientific Intelligence - p2

doi:10.1038/scientificamerican07021870-2a

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Tussock-Moths - pp3 - 4

Edward C. H. Day

doi:10.1038/scientificamerican07021870-3

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The Friction of Steam Engines - pp4 - 6

doi:10.1038/scientificamerican07021870-4

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The Management of Railways - p7

doi:10.1038/scientificamerican07021870-7

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Recent Progress in Chemistry - p7

doi:10.1038/scientificamerican07021870-7a

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Other Worlds than Ours - pp7 - 8

doi:10.1038/scientificamerican07021870-7b

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Macfie the Irrepressible upon Patent Law - p8

doi:10.1038/scientificamerican07021870-8

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Patent Rights in Congress - p8

doi:10.1038/scientificamerican07021870-8a

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Uses of Fluor Spar - p8

doi:10.1038/scientificamerican07021870-8b

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Patent Office Affairs - p8

doi:10.1038/scientificamerican07021870-8c

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The Report of Col. W. A. Roebling, Chief Engineer of the N. Y. Bridge Co - pp8 - 10

doi:10.1038/scientificamerican07021870-8d

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Ice Pitcher Case.—In the U. S. Circuit Court, Eastern Distict of Pennsylvania - p10

doi:10.1038/scientificamerican07021870-10

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Answers to Correspondents - p10

doi:10.1038/scientificamerican07021870-10c

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Recent American and Foreign Patents - pp10 - 11

doi:10.1038/scientificamerican07021870-10d

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Office List of Patents - pp11 - 12

doi:10.1038/scientificamerican07021870-11

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Applications for the Extension of Patents - p12

doi:10.1038/scientificamerican07021870-12

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