Table of contents


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Departments

Business and Personal

Business and Personal p156

doi:10.1038/scientificamerican09021876-156


Notes and Queries

Notes and Queries p156

doi:10.1038/scientificamerican09021876-156a


Index

Index of Inventions pp156 - 157

doi:10.1038/scientificamerican09021876-156c


Patent Notes

Patents p158

doi:10.1038/scientificamerican09021876-158


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Articles

New Bridge at Pittsburgh, Pa p143

doi:10.1038/scientificamerican09021876-143


The Moon's Atmosphere p144

doi:10.1038/scientificamerican09021876-144


The Recent Working Men's Demonstrations p144

doi:10.1038/scientificamerican09021876-144a


Is Anybody Sane? p145

doi:10.1038/scientificamerican09021876-145


How Tall are We? p145

doi:10.1038/scientificamerican09021876-145a


Improved Dredging Machinery p146

doi:10.1038/scientificamerican09021876-146


Improved Woodworking Machinery p147

doi:10.1038/scientificamerican09021876-147


Improved Six-Roll Planer, Matcher, and Bender pp147 - 148

doi:10.1038/scientificamerican09021876-147a


The Exhibit of Cornell University at the Centennial p148

doi:10.1038/scientificamerican09021876-148


The Facts of the Laws of Gravitation pp148 - 149

doi:10.1038/scientificamerican09021876-148a


Nickel and Its Preparation p149

doi:10.1038/scientificamerican09021876-149


Scientific Apparatus p149

doi:10.1038/scientificamerican09021876-149a


Improved Boat-Lowering Apparatus p150

doi:10.1038/scientificamerican09021876-150


Dueber's Improved Watch Case p150

doi:10.1038/scientificamerican09021876-150a


Improved Water Motor p150

doi:10.1038/scientificamerican09021876-150b


The Weston Dynamo-Electric Machine p150

doi:10.1038/scientificamerican09021876-150c


Oceanic Birds p151

doi:10.1038/scientificamerican09021876-151


Breech-Loading Firearms p152

doi:10.1038/scientificamerican09021876-152


The Tapayaxin p153

doi:10.1038/scientificamerican09021876-153


Improved Door Knob pp153 - 154

doi:10.1038/scientificamerican09021876-153a


Recent American and Foreign Patents pp154 - 155

doi:10.1038/scientificamerican09021876-154


New Household Inventions p155

doi:10.1038/scientificamerican09021876-155


New Agricultural Inventions p155

doi:10.1038/scientificamerican09021876-155a


New Mechanical and Engineering Inventions p155

doi:10.1038/scientificamerican09021876-155b


Communications Received p156

doi:10.1038/scientificamerican09021876-156b


The Validity of Patents p158

doi:10.1038/scientificamerican09021876-158a


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