The Naval Programme for 1909 - p78

doi:10.1038/scientificamerican01231909-78

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Our Decadent Merchant Marine - p78

doi:10.1038/scientificamerican01231909-78a

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The Traffic of a Great City - p78

doi:10.1038/scientificamerican01231909-78b

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Engineering - p79

doi:10.1038/scientificamerican01231909-79

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Electricity - p79

doi:10.1038/scientificamerican01231909-79a

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Science - p79

doi:10.1038/scientificamerican01231909-79b

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The Submarine Mine - pp80 - 81

George Forrest

doi:10.1038/scientificamerican01231909-80

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Aeroplanes and Motors at the First Paris Aeronautical Salon - pp81 - 82

doi:10.1038/scientificamerican01231909-81

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The Scientific Aspect of Earthquakes and Volcanoes - pp82 - 83

W. J. Murray

doi:10.1038/scientificamerican01231909-82

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Aeroplanes in Warfare - p83

doi:10.1038/scientificamerican01231909-83a

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Multi-Hull Steamships - p83

doi:10.1038/scientificamerican01231909-83b

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The Meat Industry of America—I - pp84 - 86

doi:10.1038/scientificamerican01231909-84

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Concrete Steel Caissons - p86

doi:10.1038/scientificamerican01231909-86

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Curious Life Histories - p87

doi:10.1038/scientificamerican01231909-87

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Handy Man's Workshop - p88

doi:10.1038/scientificamerican01231909-88

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Mending a Cracked Bottle - p88

W. J. C.

doi:10.1038/scientificamerican01231909-88a

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A Hydraulic Test for the Boiler - p88

A. C. Laurence

doi:10.1038/scientificamerican01231909-88b

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