Gerard's Alternating Current Machine - p127

doi:10.1038/scientificamerican09011883-127

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Sugar and Fodder, in One - p128

doi:10.1038/scientificamerican09011883-128

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Petroleum—The Old in the New - pp128 - 129

doi:10.1038/scientificamerican09011883-128a

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The American Association for the Advancement of Science - pp129 - 130

H. C. Hovey

doi:10.1038/scientificamerican09011883-129

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New Boring Machine - p130

doi:10.1038/scientificamerican09011883-130

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Velocipede Sleigh - p130

doi:10.1038/scientificamerican09011883-130a

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Combined Trunk and Wardrobe - p130

doi:10.1038/scientificamerican09011883-130b

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Wire Rope Towage - p131

doi:10.1038/scientificamerican09011883-131

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Aspects of the Planets for September - pp132 - 133

doi:10.1038/scientificamerican09011883-132

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Compound Double Acting Horizontal Engine - p134

doi:10.1038/scientificamerican09011883-134

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Ephemera, or Day Flies - p135

doi:10.1038/scientificamerican09011883-135

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Engineering Inventions - p137

doi:10.1038/scientificamerican09011883-137

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Mechanical Inventions - p137

doi:10.1038/scientificamerican09011883-137a

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Agricultural Inventions - p137

doi:10.1038/scientificamerican09011883-137b

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Miscellaneous Inventions - p137

doi:10.1038/scientificamerican09011883-137c

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Communications Received - p139

doi:10.1038/scientificamerican09011883-139

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