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Naval Bureau Chiefs and the Submarine Boat - p410
doi:10.1038/scientificamerican06141902-410
The Commercial Prospects of Africa - pp410 - 411
doi:10.1038/scientificamerican06141902-410b
Chemical Indexing by the Patent Office - p411
Marcus Benjamin, Ph. D.
doi:10.1038/scientificamerican06141902-411
Preliminary Work on the $3,000,000 Government Contract in the Philippines - p411
A. W. Clapp
doi:10.1038/scientificamerican06141902-411b
The Electric Road of Berthoud-Thoune, Switzerland - pp413 - 414
doi:10.1038/scientificamerican06141902-413
The Brooks Comet of 1902 - p414
William R. Brooks, F. R. A. S.
doi:10.1038/scientificamerican06141902-414
The Modern use of Electricity in Printing - p415
Frank C. Perkins
doi:10.1038/scientificamerican06141902-415
Railroad Freight Handling in New York City - pp418 - 419
doi:10.1038/scientificamerican06141902-418
Utilizing the Tube Space in Bicycle Frames - pp420 - 421
doi:10.1038/scientificamerican06141902-420b