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Departments

Correspondence

Correspondence p390

doi:10.1038/scientificamerican12201862-390


Notes and Queries

Notes and Queries pp398 - 400

doi:10.1038/scientificamerican12201862-398


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Articles

The Burnside Rifle, Licensing Engineers p385

doi:10.1038/scientificamerican12201862-385


Launch of the Iron Battery “Keokuk” p386

doi:10.1038/scientificamerican12201862-386


Cheap Oxygen Gas—Light and Heat pp386 - 387

doi:10.1038/scientificamerican12201862-386a


Valuable Receipts p387

doi:10.1038/scientificamerican12201862-387


Seventeen Thousand Patents Secured through our Agency p387

doi:10.1038/scientificamerican12201862-387a


An Address on the Patent Laws p388

doi:10.1038/scientificamerican12201862-388


Rapid Dry Collodion Photography pp388 - 389

doi:10.1038/scientificamerican12201862-388a


The Grape Cure p389

doi:10.1038/scientificamerican12201862-389


Steam Plowing in England pp391 - 392

doi:10.1038/scientificamerican12201862-391


“Argyllite“—A New Mineral p392

doi:10.1038/scientificamerican12201862-392


Hadley's Patent Tap Guide p392

doi:10.1038/scientificamerican12201862-392a


Sir David Brewster on the Patent Laws p392

doi:10.1038/scientificamerican12201862-392b


Now is the Time to Form Clubs p393

doi:10.1038/scientificamerican12201862-393


A Few Words to our Subscribers on the Closing Volume p393

doi:10.1038/scientificamerican12201862-393a


The Manufacture of Printing Paper p393

doi:10.1038/scientificamerican12201862-393b


Relief for English Operatives p393

doi:10.1038/scientificamerican12201862-393c


National Workshops pp393 - 394

doi:10.1038/scientificamerican12201862-393d


Bring on the Paper Stock! p394

doi:10.1038/scientificamerican12201862-394


Order in the Engine-Room p394

doi:10.1038/scientificamerican12201862-394a


New Experiments with Guns and Targets p395

doi:10.1038/scientificamerican12201862-395


The Drain of Labor p395

doi:10.1038/scientificamerican12201862-395a


Recent Foreign Inventions p395

doi:10.1038/scientificamerican12201862-395b


Recent American Inventions p396

doi:10.1038/scientificamerican12201862-396


Patent Claims pp396 - 397

doi:10.1038/scientificamerican12201862-396a


To Our Readers p397

doi:10.1038/scientificamerican12201862-397


An Effective Rat Trap p400

doi:10.1038/scientificamerican12201862-400


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