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Departments

The Heavens

The Heavens in December pp454 - 455

doi:10.1038/scientificamerican12091905-454c


Recently Patented Inventions

Recently Patented Inventions p465

doi:10.1038/scientificamerican12091905-465


Notes and Queries

Notes and Queries p465

doi:10.1038/scientificamerican12091905-465b


Index

Index of Inventions pp465 - 471

doi:10.1038/scientificamerican12091905-465c


Patent Notes

Patents p471

doi:10.1038/scientificamerican12091905-471


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Articles

Guard Rails in the Subway p454

doi:10.1038/scientificamerican12091905-454


An All-Day Race between Battleships p454

doi:10.1038/scientificamerican12091905-454a


The Growth of our Railroad System p454

doi:10.1038/scientificamerican12091905-454b


The Mysteries of the Ocean Bed p455

doi:10.1038/scientificamerican12091905-455


Science Notes p455

doi:10.1038/scientificamerican12091905-455a


The Bacterial Purification of Sewage p456

Albert Glyndon

doi:10.1038/scientificamerican12091905-456


The New Gasoline Motor Car pp457 - 458

doi:10.1038/scientificamerican12091905-457


The Flax Industry of To-Day pp458 - 459

doi:10.1038/scientificamerican12091905-458


Progress of the New Jersey Tunnels and Subways pp459 - 461

doi:10.1038/scientificamerican12091905-459


The Lifting Power of a Screw Propeller for Aeronautical Work p461

doi:10.1038/scientificamerican12091905-461


A Novel Method of Dog-Shearing p462

doi:10.1038/scientificamerican12091905-462


The Salmon Fisheries of the Northwest pp462 - 464

Day Allen Willey

doi:10.1038/scientificamerican12091905-462a


Depth Gage for Brace Bits p464

doi:10.1038/scientificamerican12091905-464


An Improved Excavator p464

doi:10.1038/scientificamerican12091905-464a


Business and Personal Wants p465

doi:10.1038/scientificamerican12091905-465a


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