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American Inventive Genius and Patent Laws - p325
doi:10.1038/scientificamerican06211856-325
American Life Boats and Military Wagons in Europe - p325
doi:10.1038/scientificamerican06211856-325a
Accidents from Lightning, and Volatile Fluid Explosions - p325
doi:10.1038/scientificamerican06211856-325c
Color of Paper for Reading and Writing - p328
doi:10.1038/scientificamerican06211856-328a
