The America's Cup - p326

doi:10.1038/scientificamerican11061909-326

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Dover's Great Artificial Harbor - p326

doi:10.1038/scientificamerican11061909-326a

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Improvements in New york's High-Pressure Fire Service - p326

doi:10.1038/scientificamerican11061909-326b

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Engineering - p327

doi:10.1038/scientificamerican11061909-327

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Electricity - p327

doi:10.1038/scientificamerican11061909-327a

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Science - p327

doi:10.1038/scientificamerican11061909-327b

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A Remarkable Mexican Concrete Conduit at Guadalajara - p328

Frank C. Perkins

doi:10.1038/scientificamerican11061909-328

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Terrific Boiler Explosion in Milwaukee - p329

doi:10.1038/scientificamerican11061909-329

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Some Principles of Ball-Bearing Design - pp329 - 330

J. F. Springer

doi:10.1038/scientificamerican11061909-329a

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A Curious Star Map - p330

doi:10.1038/scientificamerican11061909-330

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The Number of Our Ancestors - p331

doi:10.1038/scientificamerican11061909-331a

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The 10,000-Ton Suction Dredger “Leviathan” for Use on the Mersey - p332

doi:10.1038/scientificamerican11061909-332

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Some Curiosities of Invention - p332

doi:10.1038/scientificamerican11061909-332a

PDF (592 KB)

The Attitude of Diplodocus - p334

doi:10.1038/scientificamerican11061909-334

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Birds of Passage - p335

B. S. Bowdish

doi:10.1038/scientificamerican11061909-335

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The Ophthalmo-Diaphanoscope - p336

doi:10.1038/scientificamerican11061909-336

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Testing Bitumens for Pavements - p336

doi:10.1038/scientificamerican11061909-336a

PDF (971 KB)