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New and Important Arrangements - pp298 - 299
doi:10.1038/scientificamerican05301857-298
A Great Discovery—The Philosopher's Stone - p299
doi:10.1038/scientificamerican05301857-299e
The Martien or Bessemer Process Applied to Copper - p300
doi:10.1038/scientificamerican05301857-300b
Madame Rumor on Duty—The Rumored Changes in the Patent Office - p301
doi:10.1038/scientificamerican05301857-301a
Notes on Science and Foreign Inventions - p302
doi:10.1038/scientificamerican05301857-302g
