Table of contents
Recently Patented Inventions
Business and Personal
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Oil Engine Signaling Plant on United States Lightship No. 42 - pp1 - 2
doi:10.1038/scientificamerican07041896-1
The Apprenticeship System Under Modern Conditions - pp2 - 3
doi:10.1038/scientificamerican07041896-2
Ballistic Test of Reforged Armor Plate for the Russia - p8
doi:10.1038/scientificamerican07041896-8
