The Hydraulic Annexe at the Centennial Exposition - p111

doi:10.1038/scientificamerican08191876-111

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Berthelot's New Electro-Chemical Discoveries - p112

doi:10.1038/scientificamerican08191876-112

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Is the Universe Composed Entirely of Hydrogen! - p112

doi:10.1038/scientificamerican08191876-112a

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Ocular Color Spectra and Their Causation - pp112 - 113

doi:10.1038/scientificamerican08191876-112b

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A New Theory of Hay Fever - p113

doi:10.1038/scientificamerican08191876-113

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Shall We Change Our Weights and Measures? - p113

doi:10.1038/scientificamerican08191876-113a

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New Gatling Gun - p114

doi:10.1038/scientificamerican08191876-114

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Improved Split Wheel - p114

doi:10.1038/scientificamerican08191876-114a

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Improved Mortising Machine - p114

doi:10.1038/scientificamerican08191876-114b

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Improvements in Fire Engines - p115

doi:10.1038/scientificamerican08191876-115

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A New Soldering Machine - p115

doi:10.1038/scientificamerican08191876-115a

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“Potato Pest Poison.” - pp116 - 117

Charles V. Riley

doi:10.1038/scientificamerican08191876-116a

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Practical Mechanism - p117

Joshua Rose

doi:10.1038/scientificamerican08191876-117

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Improved Woodworking Machinery - p118

doi:10.1038/scientificamerican08191876-118

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Leland's Pipe Coupler - p118

doi:10.1038/scientificamerican08191876-118a

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Two Beautiful Palms - p119

doi:10.1038/scientificamerican08191876-119

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Meteorites - pp119 - 120

C. A. Young

doi:10.1038/scientificamerican08191876-119a

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Exhibits of Foreign Technical Schools at the Centennial - p121

doi:10.1038/scientificamerican08191876-121

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Recent American and foreign Petents - p121

doi:10.1038/scientificamerican08191876-121a

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New Household Inventions - pp121 - 122

doi:10.1038/scientificamerican08191876-121b

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New Mechanical and Engineering Inventions - p122

doi:10.1038/scientificamerican08191876-122

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New Agricultural Inventions - p122

doi:10.1038/scientificamerican08191876-122a

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New Chemical and Miscellaneous Inventions - p122

doi:10.1038/scientificamerican08191876-122b

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Communications Received - p124

doi:10.1038/scientificamerican08191876-124

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The Validity of Patents - p125

doi:10.1038/scientificamerican08191876-125

PDF (891 KB)