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September 7, 1889, Volume 61 No 10 pp143-158

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Departments

Recently Patented Inventions

Recently Patented Inventions p154

doi:10.1038/scientificamerican09071889-154

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Business and Personal

Business and Personal p154

doi:10.1038/scientificamerican09071889-154a

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Notes and Queries

Notes and Queries pp154 - 155

doi:10.1038/scientificamerican09071889-154b

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Index

Index of Inventions pp155 - 156

doi:10.1038/scientificamerican09071889-155a

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Patent Notes

Patents p158

doi:10.1038/scientificamerican09071889-158

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Articles

The Hudson River Tunnel p143

doi:10.1038/scientificamerican09071889-143

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Government Contracts Undesirable pp144 - 145

doi:10.1038/scientificamerican09071889-144

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Elias Loomis p146

doi:10.1038/scientificamerican09071889-146

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An Improved Game Apparatus p147

doi:10.1038/scientificamerican09071889-147

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An Improved Governor p147

doi:10.1038/scientificamerican09071889-147a

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An Improved Window Ventilator p147

doi:10.1038/scientificamerican09071889-147b

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An Improved Astronomical Mirror p147

doi:10.1038/scientificamerican09071889-147c

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An Automatic Ash Sifter pp147 - 149

doi:10.1038/scientificamerican09071889-147d

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The Boynton Bicycle Engine p150

doi:10.1038/scientificamerican09071889-150

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An Improved Elevator Alarm p150

doi:10.1038/scientificamerican09071889-150a

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The Paris Exhibition p153

doi:10.1038/scientificamerican09071889-153

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To Inventors p155

doi:10.1038/scientificamerican09071889-155

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