Retrospect of the Year 1899 - pp4 - 5

doi:10.1038/scientificamerican01061900-4

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Landslide at Amalfi - p6

doi:10.1038/scientificamerican01061900-6

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The Chester Metallic Railway Tie - p6

doi:10.1038/scientificamerican01061900-6a

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Mechanical Ore Unloader - p7

Waldon Fawcett

doi:10.1038/scientificamerican01061900-7

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The Explosive Side of Acetylene - pp8 - 9

Frederick H. M'gahie

doi:10.1038/scientificamerican01061900-8a

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New York Zoological Park - pp10 - 11

doi:10.1038/scientificamerican01061900-10

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Motor-Wheel for Vehicles - p11

doi:10.1038/scientificamerican01061900-11

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To Inventors - p12

doi:10.1038/scientificamerican01061900-12d

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