The Offer to Build the Panama Canal by Contract - p394

doi:10.1038/scientificamerican11181905-394

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The Suez Canal Explosion - p394

doi:10.1038/scientificamerican11181905-394a

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High Velocities and Gun Erosion - p394

doi:10.1038/scientificamerican11181905-394b

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The Electrical Value of Wind Power - pp394 - 395

doi:10.1038/scientificamerican11181905-394c

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Another North Pole Balloon Expedition - p395

doi:10.1038/scientificamerican11181905-395

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The Prevention of “Colds” - p395

doi:10.1038/scientificamerican11181905-395a

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Science Notes - p395

doi:10.1038/scientificamerican11181905-395b

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The Visiting British Fleet - p396

doi:10.1038/scientificamerican11181905-396

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The Long Island Railroad Electrified - pp397 - 398

A. Frederick Collins

doi:10.1038/scientificamerican11181905-397

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A Visit to the Volcano Poas - p400

Albert Rudin

doi:10.1038/scientificamerican11181905-400

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An Automobile Economy Test - p401

doi:10.1038/scientificamerican11181905-401

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The Maximum of the Present Solar Cycle - pp402 - 403

Rose O'halloran

doi:10.1038/scientificamerican11181905-402

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Captive Hippopotami - p403

doi:10.1038/scientificamerican11181905-403

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An Automatic Bicycle Pump - p404

doi:10.1038/scientificamerican11181905-404

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Automatic Switch Thrower for Street Railways - p404

doi:10.1038/scientificamerican11181905-404a

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Business and Personal Wants - p405

doi:10.1038/scientificamerican11181905-405a

PDF (384 KB)