Table of contents


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Departments

The Heavens

The Heavens in April pp210 - 211

doi:10.1038/scientificamerican04061895-210a


Recently Patented Inventions

Recently Patented Inventions pp220 - 221

doi:10.1038/scientificamerican04061895-220


Business and Personal

Business and Personal p221

doi:10.1038/scientificamerican04061895-221


Notes and Queries

Notes and Queries p221

doi:10.1038/scientificamerican04061895-221a


Index

Index of Inventions pp221 - 222

doi:10.1038/scientificamerican04061895-221c


Patent Notes

Patents p223

doi:10.1038/scientificamerican04061895-223


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Articles

Patent Trusts p210

doi:10.1038/scientificamerican04061895-210


The Career of a Chemist—a Rejoinder p211

doi:10.1038/scientificamerican04061895-211


A Compound or Double Horseshoe p212

doi:10.1038/scientificamerican04061895-212


A Twin-Jaw, Automatic Car Coupler p212

doi:10.1038/scientificamerican04061895-212a


An Improved Wagon Tongue Support p212

doi:10.1038/scientificamerican04061895-212b


An Improved Car Coupling pp212 - 213

doi:10.1038/scientificamerican04061895-212c


An Attractive House p213

doi:10.1038/scientificamerican04061895-213


Jeantaud's Electric Carriage pp213 - 214

doi:10.1038/scientificamerican04061895-213a


The Amstutz Electro-Artograph p215

doi:10.1038/scientificamerican04061895-215


An Ohio Natural Gas Well p216

doi:10.1038/scientificamerican04061895-216


Manufacture of Lead Pipe pp217 - 218

doi:10.1038/scientificamerican04061895-217


A Magnesium Torch p218

doi:10.1038/scientificamerican04061895-218


The Alpine Indicator p219

doi:10.1038/scientificamerican04061895-219


Fire Eaters pp219 - 220

doi:10.1038/scientificamerican04061895-219a


To Inventors p221

doi:10.1038/scientificamerican04061895-221b


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