Table of contents

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May 17, 1890, Volume 62 No 20 pp305-320

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Departments

Correspondence

Correspondence p311

doi:10.1038/scientificamerican05171890-311

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Business and Personal

Business and Personal p316

doi:10.1038/scientificamerican05171890-316b

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Notes and Queries

Notes and Queries pp316 - 317

doi:10.1038/scientificamerican05171890-316c

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Patent Notes

Patents! p320

doi:10.1038/scientificamerican05171890-320

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Articles

A New Submarine Boat p305

doi:10.1038/scientificamerican05171890-305

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The Copyright Bill Fails To Pass p306

doi:10.1038/scientificamerican05171890-306

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A Fiber from Cotton Stalks pp306 - 307

doi:10.1038/scientificamerican05171890-306a

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An Improved Ventilator for Railway Cars p308

doi:10.1038/scientificamerican05171890-308

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An Anvil Attachment p308

doi:10.1038/scientificamerican05171890-308a

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An Improved Adjustable Ladder p308

doi:10.1038/scientificamerican05171890-308b

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An Improved Pipe Clamp p308

doi:10.1038/scientificamerican05171890-308c

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An Improved Curtain Pole Fixture p309

doi:10.1038/scientificamerican05171890-309

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An Improved Wire Stretcher p309

doi:10.1038/scientificamerican05171890-309a

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An Improved Ledger Index p309

doi:10.1038/scientificamerican05171890-309b

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An Improved Clothes Line Adjuster p309

doi:10.1038/scientificamerican05171890-309c

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A Water Shield for Window Brushes p309

doi:10.1038/scientificamerican05171890-309d

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The Accident to the Steamer City of Paris pp312 - 313

doi:10.1038/scientificamerican05171890-312

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An Improved Valve p313

doi:10.1038/scientificamerican05171890-313

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Etching p313

doi:10.1038/scientificamerican05171890-313a

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An Improved Furnace Door Opener p313

doi:10.1038/scientificamerican05171890-313b

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A Gigantic Plant from Sumatra pp314 - 315

doi:10.1038/scientificamerican05171890-314

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A New Gun for Firing High Explosives p315

doi:10.1038/scientificamerican05171890-315

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A New Target Pistol p315

doi:10.1038/scientificamerican05171890-315a

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Recently Patented Inventions p316

doi:10.1038/scientificamerican05171890-316

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Scientific American p316

doi:10.1038/scientificamerican05171890-316a

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To Inventors p317

doi:10.1038/scientificamerican05171890-317

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Index of Inventions pp317 - 318

doi:10.1038/scientificamerican05171890-317a

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Electrical Books p319

doi:10.1038/scientificamerican05171890-319

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The Scientific American p320

doi:10.1038/scientificamerican05171890-320a

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