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Information to Persons having Business to Transact at the Patent Office - p62
doi:10.1038/scientificamerican11141846-62
The Chess Palladium and Mathematical Sphinx - p63
doi:10.1038/scientificamerican11141846-63f
Composition for Rendering Cloth Waterproof - p64
doi:10.1038/scientificamerican11141846-64