The Automatic Coupler Law to be Enforced - p274

doi:10.1038/scientificamerican10301897-274

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The Roller Boat Problem - pp274 - 275

doi:10.1038/scientificamerican10301897-274a

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Our Great Cotton Crop - p275

doi:10.1038/scientificamerican10301897-275

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New Argentine Law in Regard to the Sale of Medicines - p275

doi:10.1038/scientificamerican10301897-275a

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Changes in Swedish Patent and Trade Mark Laws - p275

doi:10.1038/scientificamerican10301897-275b

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Multiplication of Explosives - p275

doi:10.1038/scientificamerican10301897-275c

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An Improved Concentrator - p276

doi:10.1038/scientificamerican10301897-276

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A Machine to Turn the Ends of Wagon Axles - p276

doi:10.1038/scientificamerican10301897-276a

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The Columbia Chainless Bicycle - pp277 - 278

doi:10.1038/scientificamerican10301897-277

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Surveying for a Railroad to the Yukon Valley - p278

doi:10.1038/scientificamerican10301897-278

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A Scottish Built Ferry Boat for Nova Scotia - pp279 - 280

A. J. Sinclair

doi:10.1038/scientificamerican10301897-279a

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A Great Pelican Rookery - pp280 - 281

C. F. Holder

doi:10.1038/scientificamerican10301897-280

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The Astoria Hotel, New York City - pp281 - 282

doi:10.1038/scientificamerican10301897-281

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“Magic Flowers” - p283

doi:10.1038/scientificamerican10301897-283

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To Inventors - p285

doi:10.1038/scientificamerican10301897-285b

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