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Departments

Correspondence

Correspondence pp196 - 197

doi:10.1038/scientificamerican09231871-196


Business and Personal

Business and Personal p201

doi:10.1038/scientificamerican09231871-201


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Articles

Fire Extinguishing Apparatus pp191 - 192

doi:10.1038/scientificamerican09231871-191


The Loss of My Spectacles p192

doi:10.1038/scientificamerican09231871-192


Important Patent Decision p193

doi:10.1038/scientificamerican09231871-193


The Aged Pilgrims' Asylum pp194 - 195

doi:10.1038/scientificamerican09231871-194


Farrell's Improved Lamp Wick p195

doi:10.1038/scientificamerican09231871-195


George's Clamp Pen Holder p195

doi:10.1038/scientificamerican09231871-195a


On the Psychic Force p197

doi:10.1038/scientificamerican09231871-197


Fair of the American Institute p197

doi:10.1038/scientificamerican09231871-197a


Evens' Safety Stove for Railway Cars p198

doi:10.1038/scientificamerican09231871-198


Sinclair's Mill Pick Holder p198

doi:10.1038/scientificamerican09231871-198a


Butler's Adjustable Window Sash p198

doi:10.1038/scientificamerican09231871-198b


The Perils of Gun Cotton p199

doi:10.1038/scientificamerican09231871-199


Ammonia Motive Power for Organs p199

doi:10.1038/scientificamerican09231871-199a


What Constitutes Patentable Novelty? p199

doi:10.1038/scientificamerican09231871-199b


A Defect in Marine Engineering p199

doi:10.1038/scientificamerican09231871-199c


Mr. Highton and the New York Times pp199 - 200

doi:10.1038/scientificamerican09231871-199d


The Staff of Life—The Breadmakers of the American Metropolis p200

doi:10.1038/scientificamerican09231871-200


The State of the Manufacturing Trades p200

doi:10.1038/scientificamerican09231871-200a


Important Trademark Decision pp200 - 201

doi:10.1038/scientificamerican09231871-200b


Recent American and Foreign Patents pp201 - 203

doi:10.1038/scientificamerican09231871-201a


Official List of Patents pp203 - 204

doi:10.1038/scientificamerican09231871-203


Applications for Extension of Patents p204

doi:10.1038/scientificamerican09231871-204


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