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Protection of Telegraph Cables - p268
doi:10.1038/scientificamerican05021857-268d
The Secret of Success in Tempering Tools - p270
doi:10.1038/scientificamerican05021857-270a
Notes on Science and Foreign Inventions - p270
doi:10.1038/scientificamerican05021857-270b
Electricity for Discovering the Seat of Disease - p272
doi:10.1038/scientificamerican05021857-272