Compressed Air System on the United States Monitor Terror - p177

doi:10.1038/scientificamerican03201897-177

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Important Amendments to the United States Patent Statutes - p178

doi:10.1038/scientificamerican03201897-178

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The Proposed Mammoth Relief Map of the United States - pp178 - 179

doi:10.1038/scientificamerican03201897-178a

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Japanese Patents - p179

doi:10.1038/scientificamerican03201897-179

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Amendments to the Patent Statutes - p179

doi:10.1038/scientificamerican03201897-179a

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Another New Patent Law - p179

doi:10.1038/scientificamerican03201897-179b

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Patent Attorneys Appeal - pp179 - 180

doi:10.1038/scientificamerican03201897-179c

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Automatic Strength Tester and Vending Machine - p180

doi:10.1038/scientificamerican03201897-180

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The Boston Gas Explosion - pp180 - 182

doi:10.1038/scientificamerican03201897-180a

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Alexander Herrmann Prestidigitator - p184

W. E. Robinson

doi:10.1038/scientificamerican03201897-184

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A Four Sided Dovetail - p186

doi:10.1038/scientificamerican03201897-186

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Insects' Wings-Rapidity of Vibration in Flight - pp187 - 188

doi:10.1038/scientificamerican03201897-187

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