A Rumor About the Compass - p80

doi:10.1038/scientificamerican02091889-80

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“Recipes For Making Gout” - p80

doi:10.1038/scientificamerican02091889-80a

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Hemp vs. Iron in Ocean Cables - p80

doi:10.1038/scientificamerican02091889-80b

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Machine Guns in Shore Defense - p80

doi:10.1038/scientificamerican02091889-80c

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Naval Wars of the Future - pp80 - 81

doi:10.1038/scientificamerican02091889-80d

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An Improved Track Laying Apparatus - p82

doi:10.1038/scientificamerican02091889-82

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The Machine Gallery, Paris Exhibition - p82

doi:10.1038/scientificamerican02091889-82a

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An Improved Metallic Railroad Tie - p82

doi:10.1038/scientificamerican02091889-82b

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A New Water Power Developing Device - p83

doi:10.1038/scientificamerican02091889-83

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An Improved Window Burglar Guard - p83

doi:10.1038/scientificamerican02091889-83a

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An Improved Cultivator - p83

doi:10.1038/scientificamerican02091889-83b

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Improved Mill for Crushing Sugar Cane - p83

doi:10.1038/scientificamerican02091889-83c

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An Improved Life-Saving Net - pp83 - 84

doi:10.1038/scientificamerican02091889-83d

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Method of Producing Designs on Wire Cloth - p84

Geo. M. Hopkins

doi:10.1038/scientificamerican02091889-84

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An Improved Tobacco Smoking Pipe - p84

doi:10.1038/scientificamerican02091889-84a

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The Ball Electric Light System - p85

doi:10.1038/scientificamerican02091889-85

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An Improved Sewer Ventilator - p86

doi:10.1038/scientificamerican02091889-86

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The American Patent Pop Safety Valve - p86

doi:10.1038/scientificamerican02091889-86a

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An Indicator Attachment for Passenger Elevators - p86

doi:10.1038/scientificamerican02091889-86b

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The Great Rolling Mill of the St. Jacques Works - pp87 - 88

doi:10.1038/scientificamerican02091889-87

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An Improved Bicycle - p89

doi:10.1038/scientificamerican02091889-89

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Chesley Heal, the Centenarian - p89

doi:10.1038/scientificamerican02091889-89a

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To Inventors - p91

doi:10.1038/scientificamerican02091889-91a

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