Panama Canal Problems - p426

doi:10.1038/scientificamerican12171904-426

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Blondlot and Prof. Wood on the N-Rays - p426

doi:10.1038/scientificamerican12171904-426a

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The Electric Smelting of Iron Ore - p426

doi:10.1038/scientificamerican12171904-426b

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Launch of the Armored Cruiser “Tennessee” - p426

doi:10.1038/scientificamerican12171904-426c

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News about the Submerged Coal Experiments - pp426 - 427

doi:10.1038/scientificamerican12171904-426d

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“American Estates and Gardens” - p427

doi:10.1038/scientificamerican12171904-427

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The New British Patent Act - p427

doi:10.1038/scientificamerican12171904-427a

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To our Subscribers - p427

doi:10.1038/scientificamerican12171904-427b

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Science Notes - p427

doi:10.1038/scientificamerican12171904-427c

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Radium and Radio-Activity - p428

doi:10.1038/scientificamerican12171904-428

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The Great London Power Station - pp429 - 430

Harold J. Shepstone

doi:10.1038/scientificamerican12171904-429

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Roman Remains in North Africa - pp430 - 431

doi:10.1038/scientificamerican12171904-430

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The High-Powered Traction Engine and Its Many Uses - pp433 - 434

doi:10.1038/scientificamerican12171904-433

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Photography of the Interior of the Eye - p435

L. Ramakers

doi:10.1038/scientificamerican12171904-435

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Aeroplanes in France and M. Archdeacon'a Apparatus. — Rules for Concourses - pp435 - 436

doi:10.1038/scientificamerican12171904-435a

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The Bioscope—An Instrument for the Study of Insect Life - pp437 - 438

Emile Guarini

doi:10.1038/scientificamerican12171904-437

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Irrigation in Southern California - p439

Day Allen Willey

doi:10.1038/scientificamerican12171904-439

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Battleships “Idaho” and “Mississippi” - p440

doi:10.1038/scientificamerican12171904-440

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The Modern Battleship Within and Without - pp440 - 442

doi:10.1038/scientificamerican12171904-440a

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The How and Why of the Modern Keyboard.—I - pp442 - 443

P. W. Galpin

doi:10.1038/scientificamerican12171904-442

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Business and Personal Wants - p445

doi:10.1038/scientificamerican12171904-445

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