Table of contents


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Departments

Business and Personal

Business and Personal p409

doi:10.1038/scientificamerican12251875-409


Notes and Queries

Notes and Queries p409

doi:10.1038/scientificamerican12251875-409a


Indexes

Index of Inventions pp409 - 410

doi:10.1038/scientificamerican12251875-409c


Index pp411 - 412

doi:10.1038/scientificamerican12251875-411


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Articles

Grand Central Depot Signal System p399

doi:10.1038/scientificamerican12251875-399


The Origin of Life p400

doi:10.1038/scientificamerican12251875-400


Heavy Loss from Lightning Rod Ignorance p400

doi:10.1038/scientificamerican12251875-400a


Light in Coal Mines p400

doi:10.1038/scientificamerican12251875-400b


The Discovery of Another form of Electricity pp400 - 401

doi:10.1038/scientificamerican12251875-400c


The New Phase of Electric Force p401

doi:10.1038/scientificamerican12251875-401


Timely Suggestions p401

doi:10.1038/scientificamerican12251875-401a


Acidemetry Applied to the Testing of Vinegar p402

doi:10.1038/scientificamerican12251875-402


King's Improved Support for Printers' Galleys p402

doi:10.1038/scientificamerican12251875-402a


New Double Shaping Machine p403

doi:10.1038/scientificamerican12251875-403


Filters and Liquid Meters pp404 - 405

doi:10.1038/scientificamerican12251875-404


Practical Mechanism p405

Joshua Rose

doi:10.1038/scientificamerican12251875-405


Miller's Recoil Check for Guns p406

doi:10.1038/scientificamerican12251875-406


Improved Universal Wheelwright's Machine p406

doi:10.1038/scientificamerican12251875-406a


American Silk-Spinning Machinery p406

doi:10.1038/scientificamerican12251875-406b


Greenhouses and Hothouses p407

doi:10.1038/scientificamerican12251875-407


Plant Vases for Indoor Decoration pp407 - 408

doi:10.1038/scientificamerican12251875-407a


Recent American and Foreign Patents p408

doi:10.1038/scientificamerican12251875-408


New Household Articles p408

doi:10.1038/scientificamerican12251875-408a


New Agricultural Inventions p408

doi:10.1038/scientificamerican12251875-408b


New Mechanical and Engineering Inventions p408

doi:10.1038/scientificamerican12251875-408c


New Woodworking and House and Carriage Building Inventions p408

doi:10.1038/scientificamerican12251875-408d


Communications Received p409

doi:10.1038/scientificamerican12251875-409b


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