Table of contents


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Departments

Books

New Books and Publications p217

doi:10.1038/scientificamerican04071877-217a


Business and Personal

Business and Personal p219

doi:10.1038/scientificamerican04071877-219


Notes and Queries

Notes and Queries pp219 - 220

doi:10.1038/scientificamerican04071877-219a


Index

Index of Inventions pp220 - 221

doi:10.1038/scientificamerican04071877-220a


Patent Notes

Patents p222

doi:10.1038/scientificamerican04071877-222


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Articles

Improved Steam Wheel p207

doi:10.1038/scientificamerican04071877-207


Publishers' Notice to Mail Subscribers p208

doi:10.1038/scientificamerican04071877-208


The Preservation of Learning p208

doi:10.1038/scientificamerican04071877-208a


The Blue Glass Epidemic p208

doi:10.1038/scientificamerican04071877-208b


A Curious History of an Old Inventor pp208 - 209

doi:10.1038/scientificamerican04071877-208c


On Keeping an Index p209

doi:10.1038/scientificamerican04071877-209


American Inventive Progress p209

doi:10.1038/scientificamerican04071877-209a


Exhibition of Microscopes p209

doi:10.1038/scientificamerican04071877-209b


New French Woodworking Machines p210

doi:10.1038/scientificamerican04071877-210


Straightening Metal Plates p211

doi:10.1038/scientificamerican04071877-211


Communications pp212 - 213

doi:10.1038/scientificamerican04071877-212


Stone-Working Implements p213

doi:10.1038/scientificamerican04071877-213


New Lubricant-Testing Machine p214

doi:10.1038/scientificamerican04071877-214


Improved Vehicle Springs p214

doi:10.1038/scientificamerican04071877-214a


Some Members of the Lizard Family pp215 - 216

doi:10.1038/scientificamerican04071877-215


Astronomical Notes p216

doi:10.1038/scientificamerican04071877-216


The Separation of Cobalt from Nickel by Colorimetric Test pp216 - 217

Leonidas Schuch, Ph.D

doi:10.1038/scientificamerican04071877-216a


New York Academy of Sciences p217

doi:10.1038/scientificamerican04071877-217


Recent American and Foreign Patents p218

doi:10.1038/scientificamerican04071877-218


New Agricultural Inventions p218

doi:10.1038/scientificamerican04071877-218a


New Household Inventions p218

doi:10.1038/scientificamerican04071877-218b


New Woodworking and House and Carriage Building Inventions p218

doi:10.1038/scientificamerican04071877-218c


New Miscellaneous Inventions p218

doi:10.1038/scientificamerican04071877-218d


Communications Received p220

doi:10.1038/scientificamerican04071877-220


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