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Departments

The Heavens

The Heavens in May p279

Henry Norris Russell, Ph. D.

doi:10.1038/scientificamerican05041901-279a


Recently Patented Inventions

Recently Patented Inventions p283

doi:10.1038/scientificamerican05041901-283


Notes and Queries

Notes and Queries pp283 - 284

doi:10.1038/scientificamerican05041901-283b


Index

Index of Inventions p284

doi:10.1038/scientificamerican05041901-284


Patent Notes

Patents p287

doi:10.1038/scientificamerican05041901-287


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Articles

The North River Bridge Bill p274

doi:10.1038/scientificamerican05041901-274


Rerolling Old Steel Rails p274

doi:10.1038/scientificamerican05041901-274a


Nitro Cellulose vs Nitroglycerine Smokeless Powders p274

doi:10.1038/scientificamerican05041901-274b


The Smithsonian Report pp274 - 275

doi:10.1038/scientificamerican05041901-274c


The Baldwin-Ziegler Expedition to Franz Josef Land p275

doi:10.1038/scientificamerican05041901-275


The New Assistant Commissioner of Patents p275

doi:10.1038/scientificamerican05041901-275a


Opening of the Pan-American Exposition p275

doi:10.1038/scientificamerican05041901-275b


A Perpetual Motion Clock p276

doi:10.1038/scientificamerican05041901-276


Launch of the White Stab Liner “Celtic” pp276 - 277

doi:10.1038/scientificamerican05041901-276a


The Murray Page-Printing Telegraph pp277 - 278

doi:10.1038/scientificamerican05041901-277


The Nile Irrigation Works p279

doi:10.1038/scientificamerican05041901-279


Turkish Submarine Boat of the Nordenfeldt Type p280

doi:10.1038/scientificamerican05041901-280


Siberia in the Glacial Age pp280 - 281

doi:10.1038/scientificamerican05041901-280a


Hofman's Flying Machine p281

doi:10.1038/scientificamerican05041901-281


A Simple Car Mover p282

doi:10.1038/scientificamerican05041901-282


Combination Metal and Wood-Working Machine p282

doi:10.1038/scientificamerican05041901-282a


A Novel Fifth-Wheel p282

doi:10.1038/scientificamerican05041901-282b


Business and Personal Wants p283

doi:10.1038/scientificamerican05041901-283a


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