Features
Iron and Steel Working Improvements
Some Thoughts on Labor
Dr. Taylor Vs. Professor Huxley
New Chemical Test for Alcohol
Petroleum Changed Into Electricity and Light
The Meeting of the National Academy of Sciences
Spiritualists' Facts and Real Facts
Improved Stopcock and Street Washer Box
A New Water Engine
Improved Wood Carpeting and Inlaid Floors
New Screw-Cutting Lathe
Cutting Speeds for Lathe Work
Combination Chair and Secretary
R. Hoe & Co.'s Improved Inserted Saw Teeth
The Hemiptera or Bugs
The Burbot
Minerals at the Centennial
Centennial Notes
New Household Inventions - November 4, 1876
New Miscellaneous Inventions - November 4, 1876
Recent American and Foreign Patents - November 4, 1876
New Woodworking and House and Carriage Building Inventions - November 4, 1876
New Agricultural Inventions - November 4, 1876
Communications Received - November 4, 1876
The Validity of Patents - November 4, 1876
Departments
- Letters
Correspondence - November 4, 1876
- Departments
Business and Personal - November 4, 1876
Notes and Queries - November 4, 1876
Index of Inventions - November 4, 1876
