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Features

The Centennial Exposition.--The Center of the Main Building

Surgery vs. Phrenology

American and English Railways

The Friction of Slide Valves on Their Seats

An Opportunity for Inventors

The Victor Drill Chuck

Automatic Leather Scourer and Hide Worker

Improved Compound Steam Pump

May's Improved Billiard Table Leveler

Heating by Steam

The Centennial International Rifle Match

Removal of the Hell Gate Rocks

Chemicals at the Centennial

Centennial Notes

Recent American and Foreign Patents - September 30, 1876

New Agricultural Inventions - September 30, 1876

New Woodworking and House and Carriage Building Inventions - September 30, 1876

New Miscellaneous Inventions - September 30, 1876

New Household Inventions - September 30, 1876

The Validity of Patents - September 30, 1876

Communications Received - September 30, 1876

Departments

  • Letters

    Correspondence - September 30, 1876

  • Departments

    Business and Personal - September 30, 1876

  • Notes and Queries - September 30, 1876

  • Index of Inventions - September 30, 1876

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September 30, 1876

Think Outside the Gift Box