Table of contents


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Departments

Correspondence

Correspondence p358

doi:10.1038/scientificamerican06081861-358


Notes and Queries

Notes and Queries p366

doi:10.1038/scientificamerican06081861-366


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Articles

Machine for Making Sisal Hemp, On Filtration—A New Medium p353

doi:10.1038/scientificamerican06081861-353


Change of Mail Day p354

doi:10.1038/scientificamerican06081861-354


The War pp354 - 356

doi:10.1038/scientificamerican06081861-354a


Ames's Patent Index Door-Plate pp356 - 357

doi:10.1038/scientificamerican06081861-356


Letters from the South p358

doi:10.1038/scientificamerican06081861-358a


Look Out! Look Out!! pp358 - 360

doi:10.1038/scientificamerican06081861-358b


Cochran's Corrugated Ring or Cup Projectile p360

doi:10.1038/scientificamerican06081861-360


Who Began the War p361

doi:10.1038/scientificamerican06081861-361


Armstrong Guns Denounced—Breech-Loading Cannon p361

doi:10.1038/scientificamerican06081861-361a


Experiments with Cannon and Shot pp361 - 363

doi:10.1038/scientificamerican06081861-361b


Recent American Inventions pp363 - 364

doi:10.1038/scientificamerican06081861-363


Patent claims pp364 - 366

doi:10.1038/scientificamerican06081861-364


Hall's Drinking Tube p368

doi:10.1038/scientificamerican06081861-368


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