Features
Professor Huxley's Mistake
The Advantages of Cheap Patents
The Spiritual Slate
The Inter-Mercurial Planet
A New Fodder Fork
Improved Locomotive and Car Steam Brake
Improved Nail Extractor
Singular Accident to a Trout
The Black Knot
Turbine Water Wheels
The Latest News From the Sun
Rubber Overshoe Making at the Centennial
A Theory of the Ball Puzzle
The "Model" Scroll Saw
The Blessings of Gunpowder
Seasonal Behavior of Plants
The Russian System of Trade Education
The Processes of Steel Manufacture
Comparative Cost of Illumination
The Profitableness of Irrigation
New Household Inventions - October 21, 1876
Recent American and Foreign Patents - October 21, 1876
New Mechanical and Engineering Inventions - October 21, 1876
New Miscellaneous Inventions - October 21, 1876
New Woodworking and House and Carriage Building Inventions - October 21, 1876
Communications Received - October 21, 1876
The Validity of Patents - October 21, 1876
Departments
- Letters
Correspondence - October 21, 1876
- Recommended
New Books and Publications - October 21, 1876
- Departments
Business and Personal - October 21, 1876
Index of Inventions - October 21, 1876
Notes and Queries - October 21, 1876
