How to Build a Small Alternating Current Dynamo without Castings - p161

Nevil Monroe Hopkins

doi:10.1038/scientificamerican09111897-161

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The Antiquity of Man in America - p162

doi:10.1038/scientificamerican09111897-162

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Repairing the Screw Propeller of a Transatlantic Steamer - p162

doi:10.1038/scientificamerican09111897-162a

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Scientific Truth in Art - p162

doi:10.1038/scientificamerican09111897-162b

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The British Association Meeting —II - pp162 - 163

doi:10.1038/scientificamerican09111897-162c

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A Congress of Physicians - p163

doi:10.1038/scientificamerican09111897-163

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An Improved Lawn Sprinkler - p164

doi:10.1038/scientificamerican09111897-164

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A Concentrator for Places Mining or Stamp Mill Products - p164

doi:10.1038/scientificamerican09111897-164a

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An Apparatus for Cleaning Pipes - p164

doi:10.1038/scientificamerican09111897-164b

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A Non-Refillable Bottle - p164

doi:10.1038/scientificamerican09111897-164c

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The Corrosion of a Boiler Tube - p168

doi:10.1038/scientificamerican09111897-168

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Railway Mail Catcher and Delivery Devices - pp168 - 170

doi:10.1038/scientificamerican09111897-168a

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“Arch Rock,” San Francisco Bay - pp171 - 172

doi:10.1038/scientificamerican09111897-171

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To Inventors - p173

doi:10.1038/scientificamerican09111897-173c

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