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Departments

Recently Patented Inventions

Recently Patented Inventions p408

doi:10.1038/scientificamerican12281889-408


Business and Personal

Business and Personal p408

doi:10.1038/scientificamerican12281889-408a


Notes and Queries

Notes and Queries pp408 - 409

doi:10.1038/scientificamerican12281889-408b


Books

New Books and Publications p409

doi:10.1038/scientificamerican12281889-409


Indexes

Index of Inventions pp409 - 410

doi:10.1038/scientificamerican12281889-409b


Index pp411 - 412

doi:10.1038/scientificamerican12281889-411


Patent Notes

Patents p414

doi:10.1038/scientificamerican12281889-414


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Articles

The Electric-Light Troubles in New York p400

doi:10.1038/scientificamerican12281889-400


Position of the Planets for January pp400 - 401

doi:10.1038/scientificamerican12281889-400a


Elias Parkman Needham p401

doi:10.1038/scientificamerican12281889-401


An Improved Raw Water Cut-off p402

doi:10.1038/scientificamerican12281889-402


An Improved Air Cooling Apparatus p402

doi:10.1038/scientificamerican12281889-402a


An Automatic Paper Carrier for Drying Rooms p402

doi:10.1038/scientificamerican12281889-402b


An Improved Electric Railway Signal p402

doi:10.1038/scientificamerican12281889-402c


An Improved Railway Rail Tie pp402 - 403

doi:10.1038/scientificamerican12281889-402d


The Great Traveling Crane at Trubia p403

doi:10.1038/scientificamerican12281889-403


An Improved Friction Clutch p403

doi:10.1038/scientificamerican12281889-403a


Armor Plate for War Ships p404

doi:10.1038/scientificamerican12281889-404


A New System of Rapid Telegraphy p405

doi:10.1038/scientificamerican12281889-405


Poisonous Fish of the Indian Ocean p406

Nicolas Pike

doi:10.1038/scientificamerican12281889-406


The Nitrate of Soda Works and Fields of Chile p407

doi:10.1038/scientificamerican12281889-407


To Inventors p409

doi:10.1038/scientificamerican12281889-409a


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