Floating of the “Paris.” - p50

doi:10.1038/scientificamerican07221899-50

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Comparative Operating Cost of Horse and Electric Delivery Wagons - p50

doi:10.1038/scientificamerican07221899-50a

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The Wage of Original Research - p50

doi:10.1038/scientificamerican07221899-50b

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Spain Sells Cruisers - p50

doi:10.1038/scientificamerican07221899-50c

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Animal Tool-Users, Engineers, and Mechanics - p51

James Weir, Jr., M. D.

doi:10.1038/scientificamerican07221899-51

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Time of Transatlantic Passage Again Reduced - p51

doi:10.1038/scientificamerican07221899-51a

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Brooms as Germ Breeders - p51

doi:10.1038/scientificamerican07221899-51b

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A Simple Mold for Composition Rollers - p52

doi:10.1038/scientificamerican07221899-52

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The Eastman “Electro-Cycle.” - p52

doi:10.1038/scientificamerican07221899-52a

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A Simple Tool for Cutting Pipes - p52

doi:10.1038/scientificamerican07221899-52b

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Moving a 500-Ton Train-Shed Arch - pp53 - 54

doi:10.1038/scientificamerican07221899-53

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Niagara Falls Power Plant - pp56 - 57

doi:10.1038/scientificamerican07221899-56

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Alessandro Volta - pp57 - 58

doi:10.1038/scientificamerican07221899-57

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A Catalina Walking Fish - p59

C. F. Holder

doi:10.1038/scientificamerican07221899-59

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To Inventors - p61

doi:10.1038/scientificamerican07221899-61b

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