Table of contents

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May 10, 1884, Volume 50 No 19 pp288-301

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Departments

Correspondence

Correspondence pp293 - 294

doi:10.1038/scientificamerican05101884-293

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Business and Personal

Business and Personal p297

doi:10.1038/scientificamerican05101884-297d

PDF (411 KB)

Notes and Queries

Notes and Queries pp297 - 299

doi:10.1038/scientificamerican05101884-297e

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Index

Index of Inventions pp299 - 300

doi:10.1038/scientificamerican05101884-299

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Patent Notes

Patents p301

doi:10.1038/scientificamerican05101884-301

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Articles

Patents to Foreigners-Government Purchase of Patents p288

doi:10.1038/scientificamerican05101884-288

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A Suggestion as to Overhead Wires p288

doi:10.1038/scientificamerican05101884-288a

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The Maximum of Sun Spots pp288 - 290

doi:10.1038/scientificamerican05101884-288b

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Improved Breast Drill p290

doi:10.1038/scientificamerican05101884-290

PDF (251 KB)

Novel Door Check p290

doi:10.1038/scientificamerican05101884-290a

PDF (251 KB)

Folding Step Ladder p290

doi:10.1038/scientificamerican05101884-290b

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An Improved Tool Handle pp290 - 291

doi:10.1038/scientificamerican05101884-290c

PDF (536 KB)

Improved Furnace Grate p291

doi:10.1038/scientificamerican05101884-291

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New Buildings of Prominence in New York City pp292 - 293

doi:10.1038/scientificamerican05101884-292

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Dr. Le Plongeon's Latest and most Important Discoveries among the Ruined Cities of Yucatan pp294 - 295

doi:10.1038/scientificamerican05101884-294

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Dynamite Thrown from Cannon by Powder p295

doi:10.1038/scientificamerican05101884-295

PDF (272 KB)

The Bursting of Gun Barrels pp295 - 296

doi:10.1038/scientificamerican05101884-295a

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Improved Permutation Lock p296

doi:10.1038/scientificamerican05101884-296

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An Improved Fence Post p296

doi:10.1038/scientificamerican05101884-296a

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Engineering Inventions p297

doi:10.1038/scientificamerican05101884-297

PDF (411 KB)

Mechanical Inventions p297

doi:10.1038/scientificamerican05101884-297a

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Agricultural Inventions p297

doi:10.1038/scientificamerican05101884-297b

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Miscellaneous Inventions p297

doi:10.1038/scientificamerican05101884-297c

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