Table of contents
June 8, 1861, Volume 4 No 23 (New Series) pp353-368
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Machine for Making Sisal Hemp, On Filtration—A New Medium - p353
doi:10.1038/scientificamerican06081861-353
Cochran's Corrugated Ring or Cup Projectile - p360
doi:10.1038/scientificamerican06081861-360
Armstrong Guns Denounced—Breech-Loading Cannon - p361
doi:10.1038/scientificamerican06081861-361a
Experiments with Cannon and Shot - pp361 - 363
doi:10.1038/scientificamerican06081861-361b