Features
Surgery vs. Phrenology
The Friction of Slide Valves on Their Seats
American and English Railways
An Opportunity for Inventors
The Victor Drill Chuck
Automatic Leather Scourer and Hide Worker
Improved Compound Steam Pump
May's Improved Billiard Table Leveler
The Centennial International Rifle Match
Heating by Steam
Removal of the Hell Gate Rocks
Chemicals at the Centennial
Centennial Notes
Recent American and Foreign Patents - September 30, 1876
New Woodworking and House and Carriage Building Inventions - September 30, 1876
New Agricultural Inventions - September 30, 1876
New Household Inventions - September 30, 1876
New Miscellaneous 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
