Table of contents

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ISSUE

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May 16, 1891, Volume 64 No 20 pp303-317

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Departments

Correspondence

Correspondence p309

doi:10.1038/scientificamerican05161891-309

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Recently Patented Inventions

Recently Patented Inventions p314

doi:10.1038/scientificamerican05161891-314

PDF (208 KB)

Business and Personal

Business and Personal p315

doi:10.1038/scientificamerican05161891-315

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Notes and Queries

Notes and Queries p315

doi:10.1038/scientificamerican05161891-315a

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Books

New Books and Publications p315

doi:10.1038/scientificamerican05161891-315b

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Index

Index of Inventions pp315 - 316

doi:10.1038/scientificamerican05161891-315c

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Patent Notes

Patents p317

doi:10.1038/scientificamerican05161891-317

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Articles

The Broadway and Seventh Avenue Cable Road p303

doi:10.1038/scientificamerican05161891-303

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Defenseless Condition of our Seaports p304

doi:10.1038/scientificamerican05161891-304

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Charles Pratt p304

doi:10.1038/scientificamerican05161891-304a

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Dr. Edward Maynard pp304 - 305

doi:10.1038/scientificamerican05161891-304b

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New Method of Chamfering Stone p306

doi:10.1038/scientificamerican05161891-306

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Improvement in Jack-Screws p306

doi:10.1038/scientificamerican05161891-306a

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Open Column Manometer on the Eiffel Tower p306

doi:10.1038/scientificamerican05161891-306b

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An Improved Wrench pp306 - 308

doi:10.1038/scientificamerican05161891-306c

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Ancient Methods of Drawing Water pp311 - 313

doi:10.1038/scientificamerican05161891-311

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Castrography p313

doi:10.1038/scientificamerican05161891-313

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