Table of contents


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Departments

Correspondence

Correspondence p212

doi:10.1038/scientificamerican09301876-212


Business and Personal

Business and Personal p219

doi:10.1038/scientificamerican09301876-219


Notes and Queries

Notes and Queries pp219 - 220

doi:10.1038/scientificamerican09301876-219a


Index

Index of Inventions p220

doi:10.1038/scientificamerican09301876-220a


Patent Notes

Patents p222

doi:10.1038/scientificamerican09301876-222


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Articles

The Centennial Exposition.—The Center of the Main Building p207

doi:10.1038/scientificamerican09301876-207


Surgery vs Phrenology pp208 - 209

doi:10.1038/scientificamerican09301876-208


American and English Railways p209

doi:10.1038/scientificamerican09301876-209


The Friction of Slide Valves on Their Seats p209

doi:10.1038/scientificamerican09301876-209a


An Opportunity for Inventors p209

doi:10.1038/scientificamerican09301876-209b


The Victor Drill Chuck p210

doi:10.1038/scientificamerican09301876-210


Automatic Leather Scourer and Hide Worker p210

doi:10.1038/scientificamerican09301876-210a


Improved Compound Steam Pump p211

doi:10.1038/scientificamerican09301876-211


May's Improved Billiard Table Leveler pp211 - 212

doi:10.1038/scientificamerican09301876-211a


The Centennial International Rifle Match p213

doi:10.1038/scientificamerican09301876-213


Heating by Steam p213

doi:10.1038/scientificamerican09301876-213a


Removal of the Hell Gate Rocks pp214 - 216

doi:10.1038/scientificamerican09301876-214


Chemicals at the Centennial pp216 - 217

doi:10.1038/scientificamerican09301876-216


Centennial Notes p217

doi:10.1038/scientificamerican09301876-217


Recent American and Foreign Patents pp217 - 218

doi:10.1038/scientificamerican09301876-217a


New Agricultural Inventions p218

doi:10.1038/scientificamerican09301876-218


New Miscellaneous Inventions p218

doi:10.1038/scientificamerican09301876-218a


New Household Inventions p218

doi:10.1038/scientificamerican09301876-218b


New Woodworking and House and Carriage Building Inventions p218

doi:10.1038/scientificamerican09301876-218c


Communications Received p220

doi:10.1038/scientificamerican09301876-220


The Validity of Patents p220

doi:10.1038/scientificamerican09301876-220b


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