Is Smokeless Powder Reliable? - p340

doi:10.1038/scientificamerican05271899-340

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The Forty-Foot Entrance to New York Harbor - p340

doi:10.1038/scientificamerican05271899-340a

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A Question of Governmental Economics - p340

doi:10.1038/scientificamerican05271899-340b

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How Our Art Manufactures May Affect Our Exports - p340

doi:10.1038/scientificamerican05271899-340c

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The Mechanical Engineers and the Patent Office - pp340 - 341

doi:10.1038/scientificamerican05271899-340d

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Wireless Telegraphy - p341

doi:10.1038/scientificamerican05271899-341

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The Bicycle Industry - p341

doi:10.1038/scientificamerican05271899-341a

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The Chromo-Camera - p342

doi:10.1038/scientificamerican05271899-342

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A New Gas-Generating Machine - pp342 - 343

doi:10.1038/scientificamerican05271899-342a

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Niagara as an Industrial Center - pp343 - 344

doi:10.1038/scientificamerican05271899-343

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A Novel Portable Folding Boat - p344

doi:10.1038/scientificamerican05271899-344

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An Automatic Siphon - p344

doi:10.1038/scientificamerican05271899-344a

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The Old Line-of-Battle Ship “Pennsylvania” - pp346 - 347

doi:10.1038/scientificamerican05271899-346

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The Radiophone at the Electrical Exhibition - p347

doi:10.1038/scientificamerican05271899-347

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Animal Communities - pp347 - 348

C. F. Holder

doi:10.1038/scientificamerican05271899-347a

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The Efficiency of the Bicycle - pp348 - 349

doi:10.1038/scientificamerican05271899-348

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An Improvement in Chemical Fire-Extinguishers - p349

doi:10.1038/scientificamerican05271899-349

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