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Wind Resistance in High-Speed Train Service - p302
doi:10.1038/scientificamerican10311903-302a
Prehistoric Drawings of Animals, Etc., in the Cave of Altamira, Spain - pp302 - 303
doi:10.1038/scientificamerican10311903-302b
The Ganz System of Electric Canal Haulage - p303
doi:10.1038/scientificamerican10311903-303
A Machine for Facilitating the Analysis of Curves Representing Periodic Phenomena - pp304 - 305
R. A. Harris
doi:10.1038/scientificamerican10311903-304a
Termination of the New York-Pittsburg Automobile Endurance Test - pp305 - 307
doi:10.1038/scientificamerican10311903-305
Harlem River Tunnel of the Rapid Transit Subway - p307
doi:10.1038/scientificamerican10311903-307
Baltimore's System of Garbage Disposal - p308
Day Allen Willey
doi:10.1038/scientificamerican10311903-308
The Long-Distance Record Run of an American Electric Automobile - p310
doi:10.1038/scientificamerican10311903-310