Table of contents


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Contents

Correspondence

Correspondence pp388 - 390

doi:10.1038/scientificamerican12171870-388a


Books

New Books and Publications p394

doi:10.1038/scientificamerican12171870-394


Business and Personal

Business and Personal p395

doi:10.1038/scientificamerican12171870-395


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Articles

Improved Street Letter-Box for Lamp Posts, History of Carpeting, and more pp383 - 385

doi:10.1038/scientificamerican12171870-383


Perpetual Motion pp385 - 386

doi:10.1038/scientificamerican12171870-385


Adjustable Stand for Draftsmen pp386 - 387

doi:10.1038/scientificamerican12171870-386


Tunnel Excavator p387

doi:10.1038/scientificamerican12171870-387


Exercising Apparatus p387

doi:10.1038/scientificamerican12171870-387a


Siemens' Pyrometer pp387 - 388

doi:10.1038/scientificamerican12171870-387b


Dr. Doremus on the Triumphs of Science p388

doi:10.1038/scientificamerican12171870-388


Illinois and St. Louis Bridge Company—Report of Capt. James B. Eads, Chief Engineer p391

doi:10.1038/scientificamerican12171870-391


Explosions from Hydraulic Pressure p391

doi:10.1038/scientificamerican12171870-391a


Artesian Wells p391

doi:10.1038/scientificamerican12171870-391b


Scientific Administration pp391 - 392

doi:10.1038/scientificamerican12171870-391c


The Great British Problem p392

doi:10.1038/scientificamerican12171870-392


The Foremanizing Process for Preserving Timber, The Victims of Its Poisonous Effects, and the Suits at Law Which have been Instituted to Recover Damages p392

doi:10.1038/scientificamerican12171870-392a


Scientific Intelligence pp392 - 393

doi:10.1038/scientificamerican12171870-392b


Scientific American p393

doi:10.1038/scientificamerican12171870-393


Queries p394

doi:10.1038/scientificamerican12171870-394a


Answers to Correspondents pp394 - 395

doi:10.1038/scientificamerican12171870-394b


Recent American and Foreign Patents p395

doi:10.1038/scientificamerican12171870-395a


Official List of Patents pp395 - 396

doi:10.1038/scientificamerican12171870-395b


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