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Issued from the United States Patent Office - p378
doi:10.1038/scientificamerican08111855-378
Trial of Agricultural Implements at the French Exhibition - p378
doi:10.1038/scientificamerican08111855-378a
Curious American Patent Case in France - p379
doi:10.1038/scientificamerican08111855-379a
To Our Brethren of the Press and Others - p381
doi:10.1038/scientificamerican08111855-381b
Important to Inventors—Another $810,000 Prize - p381
doi:10.1038/scientificamerican08111855-381d
The Great French Exhibition.—The American Department - p382
doi:10.1038/scientificamerican08111855-382
