Improved Post Driving Machine, American Ordnance, and more - p193

doi:10.1038/scientificamerican03281868-193

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Editorial Correspondence - pp194 - 195

doi:10.1038/scientificamerican03281868-194

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Rohrer's Improved Gutter Bracket and Support - p196

doi:10.1038/scientificamerican03281868-196

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Heat and Cold - pp196 - 197

John Tyndall, Esq., LL. D, F.R.S.

doi:10.1038/scientificamerican03281868-196a

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Turning a Movable Wheel Around a Fixed Wheel - pp197 - 198

doi:10.1038/scientificamerican03281868-197

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Editorial Summary - p198

doi:10.1038/scientificamerican03281868-198

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Manufacturing, Mining, and Railroad Items - p198

doi:10.1038/scientificamerican03281868-198a

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Recent American and Foreign Patents - pp198 - 199

doi:10.1038/scientificamerican03281868-198b

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Answers to Correspondence - p199

doi:10.1038/scientificamerican03281868-199

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Extension Notices - pp199 - 200

doi:10.1038/scientificamerican03281868-199b

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Is the Career of Cholera Ended - p201

doi:10.1038/scientificamerican03281868-201

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Plaster Molds for the Casting of Low Fusible Metals - p201

doi:10.1038/scientificamerican03281868-201a

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The Detroit Dilemma - p201

doi:10.1038/scientificamerican03281868-201b

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Relief to Manufacturers - pp201 - 202

doi:10.1038/scientificamerican03281868-201c

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Double-Wall Ice Pitchers - p202

doi:10.1038/scientificamerican03281868-202

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Patents and Claims - pp202 - 206

doi:10.1038/scientificamerican03281868-202a

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Pending Applications for Reissues - p206

doi:10.1038/scientificamerican03281868-206a

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New Publications - pp206 - 207

doi:10.1038/scientificamerican03281868-206a

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1868 Scientific American the Best Paper in the World - p208

doi:10.1038/scientificamerican03281868-208a

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