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Business and Personal
Notes and Queries
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Index of Inventions
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Apparatus for Congealing Perfume Extracts - p306
doi:10.1038/scientificamerican11121892-306a
A French Patent of the Year 1860 for a Barbed Wire Fence - pp313 - 314
A. M. Tanner
doi:10.1038/scientificamerican11121892-313