Table of contents


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Departments

Correspondence

Correspondence p168

doi:10.1038/scientificamerican09101892-168


Recently Patented Inventions

Recently Patented Inventions p170

doi:10.1038/scientificamerican09101892-170


Business and Personal

Business and Personal p170

doi:10.1038/scientificamerican09101892-170a


Notes and Queries

Notes & Queries pp170 - 171

doi:10.1038/scientificamerican09101892-170b


Index

Index of Inventions pp171 - 172

doi:10.1038/scientificamerican09101892-171a


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Articles

Recent Armor Plate Trials p160

doi:10.1038/scientificamerican09101892-160


Opportunities for Invention pp160 - 161

doi:10.1038/scientificamerican09101892-160a


An Improved Window Screen p162

doi:10.1038/scientificamerican09101892-162


Experiments with Soap Bubbles p162

doi:10.1038/scientificamerican09101892-162a


A Convenient Ribbon Holder p162

doi:10.1038/scientificamerican09101892-162b


Old Clocks p163

doi:10.1038/scientificamerican09101892-163


Lighthouses, Lightships, and Buoys pp164 - 165

doi:10.1038/scientificamerican09101892-164


Manufacture of Felt Hats p166

doi:10.1038/scientificamerican09101892-166


The Columbia p167

doi:10.1038/scientificamerican09101892-167


The Otocyon p169

doi:10.1038/scientificamerican09101892-169


To Inventors p171

doi:10.1038/scientificamerican09101892-171


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