Table of contents


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Departments

Correspondence

Correspondence p407

doi:10.1038/scientificamerican12231893-407


Recently Patented Inventions

Recently Patented Inventions p411

doi:10.1038/scientificamerican12231893-411


Business and Personal

Business and Personal p411

doi:10.1038/scientificamerican12231893-411a


Notes and Queries

Notes and Queries pp411 - 413

doi:10.1038/scientificamerican12231893-411b


Index

Index of Inventions pp413 - 414

doi:10.1038/scientificamerican12231893-413a


Patent Notes

Patents p415

doi:10.1038/scientificamerican12231893-415


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Articles

The Laboratory and the Workshop pp402 - 403

doi:10.1038/scientificamerican12231893-402


A Machine for Forming Projectiles p404

doi:10.1038/scientificamerican12231893-404


A Portable Grain Dump p404

doi:10.1038/scientificamerican12231893-404a


An Improved Post Office Box p404

doi:10.1038/scientificamerican12231893-404b


An Improved Wrench p404

doi:10.1038/scientificamerican12231893-404c


The New American War Ship Olympia p405

doi:10.1038/scientificamerican12231893-405


The State Dam, Mohawk River, at Cohoes, N. Y pp405 - 406

doi:10.1038/scientificamerican12231893-405a


The Photoret p406

doi:10.1038/scientificamerican12231893-406


The Traveling Garbage Burner of Chicago pp408 - 409

doi:10.1038/scientificamerican12231893-408


The Burt Wooden Railway, California pp409 - 410

doi:10.1038/scientificamerican12231893-409


To Inventors p413

doi:10.1038/scientificamerican12231893-413


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