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The American Engineer, Draughtsman, and Machinist - p226
doi:10.1038/scientificamerican04021853-226
Manufacture of Porcelain Ware in America - p226
doi:10.1038/scientificamerican04021853-226b
The Credulous and Incredulous Respecting Inventions - p229
doi:10.1038/scientificamerican04021853-229