Table of contents

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March 22, 1884, Volume 50 No 12 pp175-189

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Departments

Correspondence

Correspondence pp181 - 182

doi:10.1038/scientificamerican03221884-181

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Business and Personal

Business and Personal p186

doi:10.1038/scientificamerican03221884-186d

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Books

New Books and Publications p186

doi:10.1038/scientificamerican03221884-186e

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Notes and Queries

Notes and Queries pp186 - 187

doi:10.1038/scientificamerican03221884-186f

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Index

Index of Inventions pp187 - 188

doi:10.1038/scientificamerican03221884-187

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Patent Notes

Patents p189

doi:10.1038/scientificamerican03221884-189

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Articles

The New Electric Light at Hell Gate Lighthouse p175

doi:10.1038/scientificamerican03221884-175

PDF (754 KB)

The Plot Against Patents p176

doi:10.1038/scientificamerican03221884-176

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Cable Railways for New York City p176

doi:10.1038/scientificamerican03221884-176a

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Malarial Fevers pp176 - 177

doi:10.1038/scientificamerican03221884-176b

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The Hostile Patent Bills p177

doi:10.1038/scientificamerican03221884-177

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Water Line Defense and Gun Shields for Cruisers p177

doi:10.1038/scientificamerican03221884-177a

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Metallic Railroad Tie p178

doi:10.1038/scientificamerican03221884-178

PDF (340 KB)

Improved Acoustic Telephone p179

doi:10.1038/scientificamerican03221884-179

PDF (280 KB)

Improved Car Coupling p179

doi:10.1038/scientificamerican03221884-179a

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Improvement in the Leclanche Battery pp179 - 180

doi:10.1038/scientificamerican03221884-179b

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Improved Hand Truck p180

doi:10.1038/scientificamerican03221884-180

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Another Curious Case of Freezing p182

doi:10.1038/scientificamerican03221884-182

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Oil on Troubled Waters p182

doi:10.1038/scientificamerican03221884-182a

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The Twelve Thread Plume Bird pp183 - 185

doi:10.1038/scientificamerican03221884-183

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Engineering Inventions p186

doi:10.1038/scientificamerican03221884-186

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Mechanical Inventions p186

doi:10.1038/scientificamerican03221884-186a

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Agricultural Inventions p186

doi:10.1038/scientificamerican03221884-186b

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Miscellaneous Inventions p186

doi:10.1038/scientificamerican03221884-186c

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