Santos-Dumont and the Exposition Authorities - p22

doi:10.1038/scientificamerican07091904-22

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Machine Grinding - p22

doi:10.1038/scientificamerican07091904-22a

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The Progress of Mosquito Extermination - pp22 - 23

doi:10.1038/scientificamerican07091904-22b

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A Vegetable Butter - p23

doi:10.1038/scientificamerican07091904-23

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Historic Forest Fires - p23

doi:10.1038/scientificamerican07091904-23a

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The Preparation of Cereal Foods - pp24 - 27

doi:10.1038/scientificamerican07091904-24

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The Submarine Torpedo Tube - p28

doi:10.1038/scientificamerican07091904-28

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The Gordon Bennett Cup Race - pp29 - 30

doi:10.1038/scientificamerican07091904-29

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A Curious Formation of Horse's Skull - p31

J. C. Wraith

doi:10.1038/scientificamerican07091904-31

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The New Nemethy Flying-Machine and the Principle of Its Construction - p31

Alfred Gradenwitz, Dr

doi:10.1038/scientificamerican07091904-31a

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Improved Screwdriver - p32

doi:10.1038/scientificamerican07091904-32a

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Business and Personal Wants - p32

doi:10.1038/scientificamerican07091904-32b

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