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Recently Patented Inventions

Recently Patented Inventions p396

doi:10.1038/scientificamerican12221900-396


Business and Personal

Business and Personal p396

doi:10.1038/scientificamerican12221900-396a


Notes and Queries

Notes and Queries p396

doi:10.1038/scientificamerican12221900-396b


Books

New Books, Etc. p396

doi:10.1038/scientificamerican12221900-396c


Index

Index of Inventions pp396 - 399

doi:10.1038/scientificamerican12221900-396e


Patent Notes

Patents p399

doi:10.1038/scientificamerican12221900-399


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Articles

The Metric System in Congress p386

doi:10.1038/scientificamerican12221900-386


Boston and the “America” Cup p386

doi:10.1038/scientificamerican12221900-386a


Filtration of our Water Supply p386

doi:10.1038/scientificamerican12221900-386b


Imports and Exports of the Countries of the World Compared p386

doi:10.1038/scientificamerican12221900-386c


Report of the Chief of the Bureau of Ordnance p386

doi:10.1038/scientificamerican12221900-386d


The Greatest Iron Ore Mine in the World pp386 - 387

doi:10.1038/scientificamerican12221900-386e


Animals that Bloom and Plants that Eat Meat p387

Charles Minor Blackford, Jr., M.D.

doi:10.1038/scientificamerican12221900-387


The Iron and Steel Institute at Paris p387

doi:10.1038/scientificamerican12221900-387a


A New Ratchet-Wrench p388

doi:10.1038/scientificamerican12221900-388


Power Scrapers on the St. Lawrence Power Company's Canal p388

doi:10.1038/scientificamerican12221900-388a


The Plecher Electro-Pneumatic Telephone p388

doi:10.1038/scientificamerican12221900-388b


A Recharging Motor for Electric Vehicles p389

doi:10.1038/scientificamerican12221900-389


The Manufacture of Edison Phonograph Records pp390 - 391

doi:10.1038/scientificamerican12221900-390


A Novel Wind or Water Motor p391

doi:10.1038/scientificamerican12221900-391


The Roze Dirigible Airship p392

doi:10.1038/scientificamerican12221900-392


Disappearing Demon p393

W. E. Robinson

doi:10.1038/scientificamerican12221900-393


The Protected Cruisers of the “St. Louis” Class pp393 - 394

doi:10.1038/scientificamerican12221900-393a


Armored Burrowers p394

Charles F. Holder

doi:10.1038/scientificamerican12221900-394


V. An Inexpensive Water Motor p395

George M. Hopkins

doi:10.1038/scientificamerican12221900-395


To Inventors p396

doi:10.1038/scientificamerican12221900-396d


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