Table of contents


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Departments

Business and Personal

Business and Personal p202

doi:10.1038/scientificamerican03281885-202c


Notes and Queries

Notes and Queries pp202 - 203

doi:10.1038/scientificamerican03281885-202d


Index

Index of Inventions pp203 - 204

doi:10.1038/scientificamerican03281885-203


Patent Notes

Patents p206

doi:10.1038/scientificamerican03281885-206


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Articles

A New Commissioner of Patents p192

doi:10.1038/scientificamerican03281885-192


Patent Office Examinations of Novelty of Inventions p192

doi:10.1038/scientificamerican03281885-192a


The Working Power of Man pp192 - 193

doi:10.1038/scientificamerican03281885-192b


Aspects of the Planets for April p193

doi:10.1038/scientificamerican03281885-193


Steam Engine Governor p194

doi:10.1038/scientificamerican03281885-194


Improved Car Coupling p194

doi:10.1038/scientificamerican03281885-194a


Improved Barbed Wire Fence p194

doi:10.1038/scientificamerican03281885-194b


Improved Tire Tightener p194

doi:10.1038/scientificamerican03281885-194c


Friction Roller Bearing pp194 - 195

doi:10.1038/scientificamerican03281885-194d


Artificial Ear Drum p195

doi:10.1038/scientificamerican03281885-195


Tchebichef's Walking Machine pp195 - 196

doi:10.1038/scientificamerican03281885-195a


The New York Trade Schools pp196 - 197

doi:10.1038/scientificamerican03281885-196


Hand Propeller for Boats p197

doi:10.1038/scientificamerican03281885-197


Machine for Sewing Linings in Hat Bodies p198

doi:10.1038/scientificamerican03281885-198


Improved Hydraulic Shearing Machine pp198 - 199

doi:10.1038/scientificamerican03281885-198a


Migration of Blowing Vipers p199

C. Few Seiss

doi:10.1038/scientificamerican03281885-199


Mother-Of-Pearl pp199 - 200

doi:10.1038/scientificamerican03281885-199a


The Columbia Two Track Tricycle p200

doi:10.1038/scientificamerican03281885-200


The Rudder of the Alaska p201

doi:10.1038/scientificamerican03281885-201


Engineering Inventions p202

doi:10.1038/scientificamerican03281885-202


Agricultural Inventions p202

doi:10.1038/scientificamerican03281885-202a


Miscellaneous Inventions p202

doi:10.1038/scientificamerican03281885-202b


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