The Hudson River Tunnel-New York End - p63

doi:10.1038/scientificamerican02041882-63

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Criminal Neglect in Railway Management - p64

doi:10.1038/scientificamerican02041882-64

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Solid Petroleum - p64

doi:10.1038/scientificamerican02041882-64a

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The Stock Car Competition - pp64 - 65

doi:10.1038/scientificamerican02041882-64b

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Plating Cotton with Silk - p65

doi:10.1038/scientificamerican02041882-65

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Marine Economy - p65

doi:10.1038/scientificamerican02041882-65a

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Improved Shovel Plow - p66

doi:10.1038/scientificamerican02041882-66

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Improved Wire Fence - p66

doi:10.1038/scientificamerican02041882-66a

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Engineering Inventions - p66

doi:10.1038/scientificamerican02041882-66b

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Kohler's Extinguisher for Argand Burners - p67

doi:10.1038/scientificamerican02041882-67

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Improved Drilling Machine - p67

doi:10.1038/scientificamerican02041882-67a

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Miscellaneous Inventions - p67

doi:10.1038/scientificamerican02041882-67b

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Improved Horseshoe - pp67 - 68

doi:10.1038/scientificamerican02041882-67c

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Rheometric Apparatus - p68

Marcel Deprez

doi:10.1038/scientificamerican02041882-68

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Mechanical Inventions - pp68 - 69

doi:10.1038/scientificamerican02041882-68a

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New Coin Scale - p69

doi:10.1038/scientificamerican02041882-69

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Explosion of Two Boilers at Pittsburg, PA - pp70 - 72

doi:10.1038/scientificamerican02041882-70

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Botanical Notes - p72

doi:10.1038/scientificamerican02041882-72

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Communication Received - p75

doi:10.1038/scientificamerican02041882-75b

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