Improved Dish-Washing Machine, How Counterfeit Notes are Made, and more - p271

doi:10.1038/scientificamerican10291870-271

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The Island of Capri - p272

doi:10.1038/scientificamerican10291870-272

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Rolling Loads - pp272 - 273

doi:10.1038/scientificamerican10291870-272a

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On the Efficiency of Furnaces and Mechanical Firing - p274

C. F. Deacon, C.E.

doi:10.1038/scientificamerican10291870-274

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The Art of Tying Knots - p275

doi:10.1038/scientificamerican10291870-275

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The Mechanics' Fair at Cincinnati, Ohio - pp276 - 277

doi:10.1038/scientificamerican10291870-276a

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Enlarging Photographs - pp277 - 278

doi:10.1038/scientificamerican10291870-277

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Conical Surface Condenser - p278

doi:10.1038/scientificamerican10291870-278

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Central Shaft—Hoosac Tunnel - p279

doi:10.1038/scientificamerican10291870-279

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Measurement of Water Flowing through Pipes—Water Meters - p279

doi:10.1038/scientificamerican10291870-279a

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Chemistry at the Fair of the American Institute - pp279 - 280

doi:10.1038/scientificamerican10291870-279b

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Scientific Intelligence - p280

doi:10.1038/scientificamerican10291870-280

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Fair of the American Institute - p280

doi:10.1038/scientificamerican10291870-280a

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Letters from the South - p281

doi:10.1038/scientificamerican10291870-281

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The Earthquake - p281

doi:10.1038/scientificamerican10291870-281a

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Recent American and Foreign Patents - pp282 - 283

doi:10.1038/scientificamerican10291870-282a

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Official List of patents - pp283 - 284

doi:10.1038/scientificamerican10291870-283

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