Airship or Aeroplane—Which - p370

doi:10.1038/scientificamerican12091899-370

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The Dalmeny Experiments - p370

doi:10.1038/scientificamerican12091899-370a

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The Secrets of Our Success in the Steel Trade - pp370 - 371

doi:10.1038/scientificamerican12091899-370b

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The Danger from the Importation of Animals - p371

doi:10.1038/scientificamerican12091899-371

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Wireless Telegraphy Tests in Switzerland - p371

doi:10.1038/scientificamerican12091899-371a

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Importance of Patents and Trade Marks in Germany - p371

doi:10.1038/scientificamerican12091899-371b

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The Automobile in Buenos Ayres - p371

doi:10.1038/scientificamerican12091899-371c

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End of the Creusot Strike - pp371 - 372

doi:10.1038/scientificamerican12091899-371d

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An X-Ray Delusion - p372

Gustave Michaud, D. Sc.

doi:10.1038/scientificamerican12091899-372

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A Safety Switch-Locking Mechanism for Railways - p372

doi:10.1038/scientificamerican12091899-372a

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Railway Signals - pp373 - 374

C. Francis Jenkins

doi:10.1038/scientificamerican12091899-373

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Education by Correspondence - pp374 - 375

doi:10.1038/scientificamerican12091899-374

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The Submarine Boat and Its Future - pp376 - 377

Waldon Fawcett

doi:10.1038/scientificamerican12091899-376

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The New French Armor-Clad “Henri Quatre” - p377

doi:10.1038/scientificamerican12091899-377

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The Crime of a Century - pp378 - 379

Chas. Fredk. Holder

doi:10.1038/scientificamerican12091899-378a

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