Table of contents


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Departments

Correspondence

Correspondence p197

doi:10.1038/scientificamerican03291884-197


Business and Personal

Business and Personal pp201 - 202

doi:10.1038/scientificamerican03291884-201e


Books

New Books and Publications p202

doi:10.1038/scientificamerican03291884-202


Notes and Queries

Notes and Queries pp202 - 203

doi:10.1038/scientificamerican03291884-202a


Index

Index of Inventions pp203 - 204

doi:10.1038/scientificamerican03291884-203


Patent Notes

Patents p205

doi:10.1038/scientificamerican03291884-205


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Articles

Traction Engine with Spring Wheels pp191 - 192

doi:10.1038/scientificamerican03291884-191


The Patent Bills Before Congress p192

doi:10.1038/scientificamerican03291884-192


Items Concerning the Patent Bills p193

doi:10.1038/scientificamerican03291884-193


Finishing by Pressure p193

doi:10.1038/scientificamerican03291884-193a


A Long Straight edge p193

doi:10.1038/scientificamerican03291884-193b


Sash-Cord Fastener and Window Sash p194

doi:10.1038/scientificamerican03291884-194


An Improved Lock p194

doi:10.1038/scientificamerican03291884-194a


Improved Ratchet Drill p194

doi:10.1038/scientificamerican03291884-194b


Improved Truck for Sugar Refineries p194

doi:10.1038/scientificamerican03291884-194c


Science in Antiquity p195

doi:10.1038/scientificamerican03291884-195


Aspects of the Planets for April p196

doi:10.1038/scientificamerican03291884-196


An Improved Electric Railway Signal p198

doi:10.1038/scientificamerican03291884-198


A New Wind Engine p198

doi:10.1038/scientificamerican03291884-198a


A Combination Wardrobe p199

doi:10.1038/scientificamerican03291884-199


The Boat Bill Heron pp199 - 200

doi:10.1038/scientificamerican03291884-199a


Engineering Inventions p201

doi:10.1038/scientificamerican03291884-201


Mechanical Inventions p201

doi:10.1038/scientificamerican03291884-201a


Agricultural Inventions p201

doi:10.1038/scientificamerican03291884-201b


Miscellaneous Inventions p201

doi:10.1038/scientificamerican03291884-201c


Special p201

doi:10.1038/scientificamerican03291884-201d


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