Practical Work for the World's Fair - p272

doi:10.1038/scientificamerican11011890-272

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Defective Naval Designing and Material - p272

doi:10.1038/scientificamerican11011890-272a

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The Eucalyptus - pp273 - 274

Nicolas Pike

doi:10.1038/scientificamerican11011890-273

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A Forty-Ton Wharf Crane - pp274 - 275

doi:10.1038/scientificamerican11011890-274

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A Steam or Hot Water Heating Boiler - pp275 - 276

doi:10.1038/scientificamerican11011890-275

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A Cincture Attachment for Riding Saddles - p276

doi:10.1038/scientificamerican11011890-276

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A Simple form of Mop Wringer - p276

doi:10.1038/scientificamerican11011890-276a

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The Tornado at Fargo North Dakota - p278

doi:10.1038/scientificamerican11011890-278

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Progress of the Great Railway Tunnels under the Hudson River between New York and Jersey City - pp279 - 280

doi:10.1038/scientificamerican11011890-279

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Photographic Notes - p281

doi:10.1038/scientificamerican11011890-281

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An Improved Fuse Cap Fastener - p281

doi:10.1038/scientificamerican11011890-281a

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An Adjustable Post and Expansible Joint for Wire Fences - p281

doi:10.1038/scientificamerican11011890-281b

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To Inventors - p283

doi:10.1038/scientificamerican11011890-283

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Index of Inventions - pp283 - 285

doi:10.1038/scientificamerican11011890-283a

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