American Exhibits at the Berlin Fish Show - p224

doi:10.1038/scientificamerican04101880-224

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Mining in Maine - p224

doi:10.1038/scientificamerican04101880-224a

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The Old River Beds of California - p225

doi:10.1038/scientificamerican04101880-225

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Arizona Shellac - p225

doi:10.1038/scientificamerican04101880-225a

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Another Six Weeks of Suspense - pp225 - 226

doi:10.1038/scientificamerican04101880-225b

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New Uses for Old Tin Cans - pp226 - 227

A. W. Roberts

doi:10.1038/scientificamerican04101880-226

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Miscellaneous Inventions - p228

doi:10.1038/scientificamerican04101880-228

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American Industries,No.38 - p229

doi:10.1038/scientificamerican04101880-229

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The Sawyer Electric Light - pp230 - 231

doi:10.1038/scientificamerican04101880-230

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The Racine Canoe - p231

doi:10.1038/scientificamerican04101880-231

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The Franklin Draught Regulator - p231

doi:10.1038/scientificamerican04101880-231a

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A New Gas Economizer - pp231 - 232

doi:10.1038/scientificamerican04101880-231b

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Curious Capture by an Oyster and a Mussel - p233

doi:10.1038/scientificamerican04101880-233

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Communications Received - p235

doi:10.1038/scientificamerican04101880-235

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Patents - p236

doi:10.1038/scientificamerican04101880-236

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