Table of contents


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Departments

Business and Personal

Business and Personal p218

doi:10.1038/scientificamerican04051879-218a


Notes and Queries

Notes and Queries pp218 - 220

doi:10.1038/scientificamerican04051879-218b


Index

Index of Inventions p220

doi:10.1038/scientificamerican04051879-220a


Patent Notes

Patents p220

doi:10.1038/scientificamerican04051879-220b


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Articles

New Acoustic Apparatus p207

Geo. M. Hopkins

doi:10.1038/scientificamerican04051879-207


Labor and the Cost of Living p208

doi:10.1038/scientificamerican04051879-208


Dangers of Lead Poisoning from the Use of Tinned Ware p208

doi:10.1038/scientificamerican04051879-208a


Gary's Alleges Neutral Line p208

doi:10.1038/scientificamerican04051879-208b


A Contrast between American and English Artisans p209

doi:10.1038/scientificamerican04051879-209


The Security of the East River Bridge p209

doi:10.1038/scientificamerican04051879-209a


The Neutral Line.—A Note from Mr. Gary p209

doi:10.1038/scientificamerican04051879-209b


Miss Hosmer's Motor p209

doi:10.1038/scientificamerican04051879-209c


Heinrich Geissler p209

doi:10.1038/scientificamerican04051879-209d


The Herreshoff Torpedo Launch pp210 - 211

doi:10.1038/scientificamerican04051879-210


An Improved Lawn Mower p211

doi:10.1038/scientificamerican04051879-211


A New Shipping Tag pp211 - 212

doi:10.1038/scientificamerican04051879-211a


Some Recent American Patents pp212 - 213

doi:10.1038/scientificamerican04051879-212


Western Iowa Coal Fields pp213 - 214

doi:10.1038/scientificamerican04051879-213


An Improved Press p214

doi:10.1038/scientificamerican04051879-214


Recent American Patents pp214 - 215

doi:10.1038/scientificamerican04051879-214a


The Bobac pp215 - 216

doi:10.1038/scientificamerican04051879-215


Miscellaneous Inventions p216

doi:10.1038/scientificamerican04051879-216


New Automatic Siphon p216

doi:10.1038/scientificamerican04051879-216a


Supreme Court Decision pp216 - 217

doi:10.1038/scientificamerican04051879-216b


An Improved Washing Machine p217

doi:10.1038/scientificamerican04051879-217


De Kay's Snake p217

C. Few Seiss

doi:10.1038/scientificamerican04051879-217a


To Inventors p218

doi:10.1038/scientificamerican04051879-218


Communications Received p220

doi:10.1038/scientificamerican04051879-220


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