Table of contents
September 27, 1862, Volume 7 No 13 (New Series) pp193-208
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Notes on Naval and Military Affairs - pp194 - 195
doi:10.1038/scientificamerican09271862-194
The Color Products of Coal—Mauve and Magenta - p196
doi:10.1038/scientificamerican09271862-196
The Way the Velocity of Cannon Balls is Measured - p201
doi:10.1038/scientificamerican09271862-201a
Extraordinary Penetration of Armor Plates - p201
doi:10.1038/scientificamerican09271862-201b
The London Exhibition—Steel Manufacture - pp201 - 202
doi:10.1038/scientificamerican09271862-201c
The Cheapest Mode of Introducing Inventions - p207
doi:10.1038/scientificamerican09271862-207b
