The Balance Dynamometer - p127

doi:10.1038/scientificamerican08311878-127

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The Rights of Investigators - p128

doi:10.1038/scientificamerican08311878-128

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The Planet Vulcan - p128

doi:10.1038/scientificamerican08311878-128a

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Ammonia in the Air - p128

doi:10.1038/scientificamerican08311878-128b

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Soft vs Hard Iron - pp128 - 129

doi:10.1038/scientificamerican08311878-128c

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The New Divinity - p129

doi:10.1038/scientificamerican08311878-129

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The West as a field for Manufactures - p129

doi:10.1038/scientificamerican08311878-129a

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Pneumatic Engines for Street Cabs - p129

doi:10.1038/scientificamerican08311878-129b

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A False Alarm - p129

doi:10.1038/scientificamerican08311878-129c

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The Wallingford Tornado - p129

doi:10.1038/scientificamerican08311878-129d

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Captive Balloon of 1878 - pp130 - 132

doi:10.1038/scientificamerican08311878-130

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Astronomical Notes - p133

Berlin H Wright

doi:10.1038/scientificamerican08311878-133

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New Oscillating Valve - p134

doi:10.1038/scientificamerican08311878-134

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New Rein Holder - p134

doi:10.1038/scientificamerican08311878-134a

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The Needham Musical Cabinet - pp134 - 135

doi:10.1038/scientificamerican08311878-134b

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The Speaking Flame - pp135 - 136

Geo. M Hopkins

doi:10.1038/scientificamerican08311878-135

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The Mesquite - pp137 - 138

doi:10.1038/scientificamerican08311878-137

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Communications Received - p140

doi:10.1038/scientificamerican08311878-140

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